198164988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{907}}^1$

素因数の和:961

約数の個数: 144

約数和(自身を含む): 624413440

約数和(自身を除く): 426248452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 204, 238, 252, 289, 306, 357, 378, 459, 476, 578, 612, 714, 756, 867, 907, 918, 1071, 1156, 1428, 1734, 1814, 1836, 2023, 2142, 2601, 2721, 3213, 3468, 3628, 4046, 4284, 5202, 5442, 6069, 6349, 6426, 7803, 8092, 8163, 10404, 10884, 12138, 12698, 12852, 15419, 15606, 16326, 18207, 19047, 24276, 24489, 25396, 30838, 31212, 32652, 36414, 38094, 46257, 48978, 54621, 57141, 61676, 72828, 76188, 92514, 97956, 107933, 109242, 114282, 138771, 171423, 185028, 215866, 218484, 228564, 262123, 277542, 323799, 342846, 416313, 431732, 524246, 555084, 647598, 685692, 786369, 832626, 971397, 1048492, 1295196, 1572738, 1665252, 1834861, 1942794, 2359107, 2914191, 3145476, 3669722, 3885588, 4718214, 5504583, 5828382, 7077321, 7339444, 9436428, 11009166, 11656764, 14154642, 16513749, 22018332, 28309284, 33027498, 49541247, 66054996, 99082494, 198164988]

約数ペア:

[(1, 198164988), (2, 99082494), (3, 66054996), (4, 49541247), (6, 33027498), (7, 28309284), (9, 22018332), (12, 16513749), (14, 14154642), (17, 11656764), (18, 11009166), (21, 9436428), (27, 7339444), (28, 7077321), (34, 5828382), (36, 5504583), (42, 4718214), (51, 3885588), (54, 3669722), (63, 3145476), (68, 2914191), (84, 2359107), (102, 1942794), (108, 1834861), (119, 1665252), (126, 1572738), (153, 1295196), (189, 1048492), (204, 971397), (238, 832626), (252, 786369), (289, 685692), (306, 647598), (357, 555084), (378, 524246), (459, 431732), (476, 416313), (578, 342846), (612, 323799), (714, 277542), (756, 262123), (867, 228564), (907, 218484), (918, 215866), (1071, 185028), (1156, 171423), (1428, 138771), (1734, 114282), (1814, 109242), (1836, 107933), (2023, 97956), (2142, 92514), (2601, 76188), (2721, 72828), (3213, 61676), (3468, 57141), (3628, 54621), (4046, 48978), (4284, 46257), (5202, 38094), (5442, 36414), (6069, 32652), (6349, 31212), (6426, 30838), (7803, 25396), (8092, 24489), (8163, 24276), (10404, 19047), (10884, 18207), (12138, 16326), (12698, 15606), (12852, 15419)]