397643090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7823}}^1$

素因数の和:7883

約数の個数: 64

約数和(自身を含む): 851751936

約数和(自身を除く): 454108846

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 598, 782, 1105, 1495, 1955, 2210, 2990, 3910, 5083, 7823, 10166, 15646, 25415, 39115, 50830, 78230, 101699, 132991, 179929, 203398, 265982, 359858, 508495, 664955, 899645, 1016990, 1329910, 1728883, 1799290, 2339077, 3058793, 3457766, 4678154, 6117586, 8644415, 11695385, 15293965, 17288830, 23390770, 30587930, 39764309, 79528618, 198821545, 397643090]

約数ペア:

[(1, 397643090), (2, 198821545), (5, 79528618), (10, 39764309), (13, 30587930), (17, 23390770), (23, 17288830), (26, 15293965), (34, 11695385), (46, 8644415), (65, 6117586), (85, 4678154), (115, 3457766), (130, 3058793), (170, 2339077), (221, 1799290), (230, 1728883), (299, 1329910), (391, 1016990), (442, 899645), (598, 664955), (782, 508495), (1105, 359858), (1495, 265982), (1955, 203398), (2210, 179929), (2990, 132991), (3910, 101699), (5083, 78230), (7823, 50830), (10166, 39115), (15646, 25415)]