13428156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 37403856

約数和(自身を除く): 23975700

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, 557, 574, 588, 861, 1114, 1148, 1671, 1722, 2009, 2228, 3342, 3444, 3899, 4018, 6027, 6684, 7798, 8036, 11697, 12054, 15596, 22837, 23394, 24108, 27293, 45674, 46788, 54586, 68511, 81879, 91348, 109172, 137022, 159859, 163758, 274044, 319718, 327516, 479577, 639436, 959154, 1119013, 1918308, 2238026, 3357039, 4476052, 6714078, 13428156]

約数ペア:

[(1, 13428156), (2, 6714078), (3, 4476052), (4, 3357039), (6, 2238026), (7, 1918308), (12, 1119013), (14, 959154), (21, 639436), (28, 479577), (41, 327516), (42, 319718), (49, 274044), (82, 163758), (84, 159859), (98, 137022), (123, 109172), (147, 91348), (164, 81879), (196, 68511), (246, 54586), (287, 46788), (294, 45674), (492, 27293), (557, 24108), (574, 23394), (588, 22837), (861, 15596), (1114, 12054), (1148, 11697), (1671, 8036), (1722, 7798), (2009, 6684), (2228, 6027), (3342, 4018), (3444, 3899)]