647525988

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 144

約数和(自身を含む): 1816214400

約数和(自身を除く): 1168688412

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 149, 153, 162, 204, 243, 263, 298, 306, 324, 447, 459, 486, 526, 596, 612, 789, 894, 918, 972, 1052, 1341, 1377, 1578, 1788, 1836, 2367, 2533, 2682, 2754, 3156, 4023, 4131, 4471, 4734, 5066, 5364, 5508, 7101, 7599, 8046, 8262, 8942, 9468, 10132, 12069, 13413, 14202, 15198, 16092, 16524, 17884, 21303, 22797, 24138, 26826, 28404, 30396, 36207, 39187, 40239, 42606, 45594, 48276, 53652, 63909, 68391, 72414, 78374, 80478, 85212, 91188, 117561, 120717, 127818, 136782, 144828, 156748, 160956, 205173, 235122, 241434, 255636, 273564, 352683, 362151, 410346, 470244, 482868, 615519, 666179, 705366, 724302, 820692, 1058049, 1086453, 1231038, 1332358, 1410732, 1448604, 1998537, 2116098, 2172906, 2462076, 2664716, 3174147, 3997074, 4232196, 4345812, 5995611, 6348294, 7994148, 9522441, 11991222, 12696588, 17986833, 19044882, 23982444, 35973666, 38089764, 53960499, 71947332, 107920998, 161881497, 215841996, 323762994, 647525988]

約数ペア:

[(1, 647525988), (2, 323762994), (3, 215841996), (4, 161881497), (6, 107920998), (9, 71947332), (12, 53960499), (17, 38089764), (18, 35973666), (27, 23982444), (34, 19044882), (36, 17986833), (51, 12696588), (54, 11991222), (68, 9522441), (81, 7994148), (102, 6348294), (108, 5995611), (149, 4345812), (153, 4232196), (162, 3997074), (204, 3174147), (243, 2664716), (263, 2462076), (298, 2172906), (306, 2116098), (324, 1998537), (447, 1448604), (459, 1410732), (486, 1332358), (526, 1231038), (596, 1086453), (612, 1058049), (789, 820692), (894, 724302), (918, 705366), (972, 666179), (1052, 615519), (1341, 482868), (1377, 470244), (1578, 410346), (1788, 362151), (1836, 352683), (2367, 273564), (2533, 255636), (2682, 241434), (2754, 235122), (3156, 205173), (4023, 160956), (4131, 156748), (4471, 144828), (4734, 136782), (5066, 127818), (5364, 120717), (5508, 117561), (7101, 91188), (7599, 85212), (8046, 80478), (8262, 78374), (8942, 72414), (9468, 68391), (10132, 63909), (12069, 53652), (13413, 48276), (14202, 45594), (15198, 42606), (16092, 40239), (16524, 39187), (17884, 36207), (21303, 30396), (22797, 28404), (24138, 26826)]