26879890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 52519104

約数和(自身を除く): 25639214

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 131, 142, 170, 262, 289, 355, 578, 655, 710, 1207, 1310, 1445, 2227, 2414, 2890, 4454, 6035, 9301, 11135, 12070, 18602, 20519, 22270, 37859, 41038, 46505, 75718, 93010, 102595, 158117, 189295, 205190, 316234, 378590, 790585, 1581170, 2687989, 5375978, 13439945, 26879890]

約数ペア:

[(1, 26879890), (2, 13439945), (5, 5375978), (10, 2687989), (17, 1581170), (34, 790585), (71, 378590), (85, 316234), (131, 205190), (142, 189295), (170, 158117), (262, 102595), (289, 93010), (355, 75718), (578, 46505), (655, 41038), (710, 37859), (1207, 22270), (1310, 20519), (1445, 18602), (2227, 12070), (2414, 11135), (2890, 9301), (4454, 6035)]