31509330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2051

約数の個数: 64

約数和(自身を含む): 82695168

約数和(自身を除く): 51185838

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 51, 62, 85, 93, 102, 155, 170, 186, 255, 310, 465, 510, 527, 930, 1054, 1581, 1993, 2635, 3162, 3986, 5270, 5979, 7905, 9965, 11958, 15810, 19930, 29895, 33881, 59790, 61783, 67762, 101643, 123566, 169405, 185349, 203286, 308915, 338810, 370698, 508215, 617830, 926745, 1016430, 1050311, 1853490, 2100622, 3150933, 5251555, 6301866, 10503110, 15754665, 31509330]

約数ペア:

[(1, 31509330), (2, 15754665), (3, 10503110), (5, 6301866), (6, 5251555), (10, 3150933), (15, 2100622), (17, 1853490), (30, 1050311), (31, 1016430), (34, 926745), (51, 617830), (62, 508215), (85, 370698), (93, 338810), (102, 308915), (155, 203286), (170, 185349), (186, 169405), (255, 123566), (310, 101643), (465, 67762), (510, 61783), (527, 59790), (930, 33881), (1054, 29895), (1581, 19930), (1993, 15810), (2635, 11958), (3162, 9965), (3986, 7905), (5270, 5979)]