15887172

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 28353948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 659, 861, 1148, 1318, 1722, 1977, 2009, 2636, 3444, 3954, 4018, 4613, 6027, 7908, 8036, 9226, 12054, 13839, 18452, 24108, 27019, 27678, 32291, 54038, 55356, 64582, 81057, 96873, 108076, 129164, 162114, 189133, 193746, 324228, 378266, 387492, 567399, 756532, 1134798, 1323931, 2269596, 2647862, 3971793, 5295724, 7943586, 15887172]

約数ペア:

[(1, 15887172), (2, 7943586), (3, 5295724), (4, 3971793), (6, 2647862), (7, 2269596), (12, 1323931), (14, 1134798), (21, 756532), (28, 567399), (41, 387492), (42, 378266), (49, 324228), (82, 193746), (84, 189133), (98, 162114), (123, 129164), (147, 108076), (164, 96873), (196, 81057), (246, 64582), (287, 55356), (294, 54038), (492, 32291), (574, 27678), (588, 27019), (659, 24108), (861, 18452), (1148, 13839), (1318, 12054), (1722, 9226), (1977, 8036), (2009, 7908), (2636, 6027), (3444, 4613), (3954, 4018)]