15815724

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 22488276

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 179, 199, 222, 358, 398, 444, 537, 597, 716, 796, 1074, 1194, 2148, 2388, 6623, 7363, 13246, 14726, 19869, 22089, 26492, 29452, 35621, 39738, 44178, 71242, 79476, 88356, 106863, 142484, 213726, 427452, 1317977, 2635954, 3953931, 5271908, 7907862, 15815724]

約数ペア:

[(1, 15815724), (2, 7907862), (3, 5271908), (4, 3953931), (6, 2635954), (12, 1317977), (37, 427452), (74, 213726), (111, 142484), (148, 106863), (179, 88356), (199, 79476), (222, 71242), (358, 44178), (398, 39738), (444, 35621), (537, 29452), (597, 26492), (716, 22089), (796, 19869), (1074, 14726), (1194, 13246), (2148, 7363), (2388, 6623)]