209396538

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1993}}^1$

素因数の和:2463

約数の個数: 48

約数和(自身を含む): 489925800

約数和(自身を除く): 280529262

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 449, 898, 1347, 1993, 2694, 3986, 4041, 5837, 5979, 8082, 11674, 11958, 17511, 17937, 25909, 35022, 35874, 51818, 52533, 77727, 105066, 155454, 233181, 466362, 894857, 1789714, 2684571, 5369142, 8053713, 11633141, 16107426, 23266282, 34899423, 69798846, 104698269, 209396538]

約数ペア:

[(1, 209396538), (2, 104698269), (3, 69798846), (6, 34899423), (9, 23266282), (13, 16107426), (18, 11633141), (26, 8053713), (39, 5369142), (78, 2684571), (117, 1789714), (234, 894857), (449, 466362), (898, 233181), (1347, 155454), (1993, 105066), (2694, 77727), (3986, 52533), (4041, 51818), (5837, 35874), (5979, 35022), (8082, 25909), (11674, 17937), (11958, 17511)]