1538892628

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9901}}^1$

素因数の和:9993

約数の個数: 72

約数和(自身を含む): 3429379464

約数和(自身を除く): 1890486836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 182, 196, 244, 364, 427, 637, 793, 854, 1274, 1586, 1708, 2548, 2989, 3172, 5551, 5978, 9901, 11102, 11956, 19802, 22204, 38857, 39604, 69307, 77714, 128713, 138614, 155428, 257426, 277228, 485149, 514852, 603961, 900991, 970298, 1207922, 1801982, 1940596, 2415844, 3603964, 4227727, 6306937, 7851493, 8455454, 12613874, 15702986, 16910908, 25227748, 29594089, 31405972, 54960451, 59188178, 109920902, 118376356, 219841804, 384723157, 769446314, 1538892628]

約数ペア:

[(1, 1538892628), (2, 769446314), (4, 384723157), (7, 219841804), (13, 118376356), (14, 109920902), (26, 59188178), (28, 54960451), (49, 31405972), (52, 29594089), (61, 25227748), (91, 16910908), (98, 15702986), (122, 12613874), (182, 8455454), (196, 7851493), (244, 6306937), (364, 4227727), (427, 3603964), (637, 2415844), (793, 1940596), (854, 1801982), (1274, 1207922), (1586, 970298), (1708, 900991), (2548, 603961), (2989, 514852), (3172, 485149), (5551, 277228), (5978, 257426), (9901, 155428), (11102, 138614), (11956, 128713), (19802, 77714), (22204, 69307), (38857, 39604)]