1217806928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2341}}^1$

素因数の和:2464

約数の個数: 80

約数和(自身を含む): 2646778512

約数和(自身を除く): 1428971584

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 61, 82, 104, 122, 164, 208, 244, 328, 488, 533, 656, 793, 976, 1066, 1586, 2132, 2341, 2501, 3172, 4264, 4682, 5002, 6344, 8528, 9364, 10004, 12688, 18728, 20008, 30433, 32513, 37456, 40016, 60866, 65026, 95981, 121732, 130052, 142801, 191962, 243464, 260104, 285602, 383924, 486928, 520208, 571204, 767848, 1142408, 1247753, 1535696, 1856413, 2284816, 2495506, 3712826, 4991012, 5854841, 7425652, 9982024, 11709682, 14851304, 19964048, 23419364, 29702608, 46838728, 76112933, 93677456, 152225866, 304451732, 608903464, 1217806928]

約数ペア:

[(1, 1217806928), (2, 608903464), (4, 304451732), (8, 152225866), (13, 93677456), (16, 76112933), (26, 46838728), (41, 29702608), (52, 23419364), (61, 19964048), (82, 14851304), (104, 11709682), (122, 9982024), (164, 7425652), (208, 5854841), (244, 4991012), (328, 3712826), (488, 2495506), (533, 2284816), (656, 1856413), (793, 1535696), (976, 1247753), (1066, 1142408), (1586, 767848), (2132, 571204), (2341, 520208), (2501, 486928), (3172, 383924), (4264, 285602), (4682, 260104), (5002, 243464), (6344, 191962), (8528, 142801), (9364, 130052), (10004, 121732), (12688, 95981), (18728, 65026), (20008, 60866), (30433, 40016), (32513, 37456)]