31090384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7867}}^1$

素因数の和:7907

約数の個数: 40

約数和(自身を含む): 68294240

約数和(自身を除く): 37203856

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7867, 15734, 31468, 62936, 102271, 125872, 149473, 204542, 298946, 409084, 597892, 818168, 1195784, 1636336, 1943149, 2391568, 3886298, 7772596, 15545192, 31090384]

約数ペア:

[(1, 31090384), (2, 15545192), (4, 7772596), (8, 3886298), (13, 2391568), (16, 1943149), (19, 1636336), (26, 1195784), (38, 818168), (52, 597892), (76, 409084), (104, 298946), (152, 204542), (208, 149473), (247, 125872), (304, 102271), (494, 62936), (988, 31468), (1976, 15734), (3952, 7867)]