28249494

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1725

約数の個数: 64

約数和(自身を含む): 71823360

約数和(自身を除く): 43573866

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 182, 186, 217, 273, 403, 434, 546, 651, 806, 1209, 1302, 1669, 2418, 2821, 3338, 5007, 5642, 8463, 10014, 11683, 16926, 21697, 23366, 35049, 43394, 51739, 65091, 70098, 103478, 130182, 151879, 155217, 303758, 310434, 362173, 455637, 672607, 724346, 911274, 1086519, 1345214, 2017821, 2173038, 4035642, 4708249, 9416498, 14124747, 28249494]

約数ペア:

[(1, 28249494), (2, 14124747), (3, 9416498), (6, 4708249), (7, 4035642), (13, 2173038), (14, 2017821), (21, 1345214), (26, 1086519), (31, 911274), (39, 724346), (42, 672607), (62, 455637), (78, 362173), (91, 310434), (93, 303758), (182, 155217), (186, 151879), (217, 130182), (273, 103478), (403, 70098), (434, 65091), (546, 51739), (651, 43394), (806, 35049), (1209, 23366), (1302, 21697), (1669, 16926), (2418, 11683), (2821, 10014), (3338, 8463), (5007, 5642)]