205921116

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 576296448

約数和(自身を除く): 370375332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 61, 69, 81, 92, 108, 122, 138, 151, 162, 183, 207, 243, 244, 276, 302, 324, 366, 414, 453, 486, 549, 604, 621, 732, 828, 906, 972, 1098, 1242, 1359, 1403, 1647, 1812, 1863, 2196, 2484, 2718, 2806, 3294, 3473, 3726, 4077, 4209, 4941, 5436, 5589, 5612, 6588, 6946, 7452, 8154, 8418, 9211, 9882, 10419, 11178, 12231, 12627, 13892, 14823, 16308, 16836, 18422, 19764, 20838, 22356, 24462, 25254, 27633, 29646, 31257, 36693, 36844, 37881, 41676, 48924, 50508, 55266, 59292, 62514, 73386, 75762, 82899, 93771, 110532, 113643, 125028, 146772, 151524, 165798, 187542, 211853, 227286, 248697, 281313, 331596, 340929, 375084, 423706, 454572, 497394, 562626, 635559, 681858, 746091, 843939, 847412, 994788, 1125252, 1271118, 1363716, 1492182, 1687878, 1906677, 2238273, 2542236, 2984364, 3375756, 3813354, 4476546, 5720031, 7626708, 8953092, 11440062, 17160093, 22880124, 34320186, 51480279, 68640372, 102960558, 205921116]

約数ペア:

[(1, 205921116), (2, 102960558), (3, 68640372), (4, 51480279), (6, 34320186), (9, 22880124), (12, 17160093), (18, 11440062), (23, 8953092), (27, 7626708), (36, 5720031), (46, 4476546), (54, 3813354), (61, 3375756), (69, 2984364), (81, 2542236), (92, 2238273), (108, 1906677), (122, 1687878), (138, 1492182), (151, 1363716), (162, 1271118), (183, 1125252), (207, 994788), (243, 847412), (244, 843939), (276, 746091), (302, 681858), (324, 635559), (366, 562626), (414, 497394), (453, 454572), (486, 423706), (549, 375084), (604, 340929), (621, 331596), (732, 281313), (828, 248697), (906, 227286), (972, 211853), (1098, 187542), (1242, 165798), (1359, 151524), (1403, 146772), (1647, 125028), (1812, 113643), (1863, 110532), (2196, 93771), (2484, 82899), (2718, 75762), (2806, 73386), (3294, 62514), (3473, 59292), (3726, 55266), (4077, 50508), (4209, 48924), (4941, 41676), (5436, 37881), (5589, 36844), (5612, 36693), (6588, 31257), (6946, 29646), (7452, 27633), (8154, 25254), (8418, 24462), (9211, 22356), (9882, 20838), (10419, 19764), (11178, 18422), (12231, 16836), (12627, 16308), (13892, 14823)]