1904274449

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 2596208640

約数和(自身を除く): 691934191

約数列:

[1, 7, 11, 19, 37, 77, 127, 133, 209, 259, 277, 407, 703, 889, 1397, 1463, 1939, 2413, 2849, 3047, 4699, 4921, 5263, 7733, 9779, 10249, 16891, 21329, 26543, 32893, 35179, 36841, 51689, 54131, 57893, 71743, 89281, 112739, 185801, 194731, 246253, 361823, 386969, 405251, 624967, 668401, 789173, 982091, 1301623, 1363117, 2142041, 2708783, 4678807, 6874637, 7352411, 9111361, 14317853, 14994287, 24730837, 51466877, 100224971, 173115859, 272039207, 1904274449]

約数ペア:

[(1, 1904274449), (7, 272039207), (11, 173115859), (19, 100224971), (37, 51466877), (77, 24730837), (127, 14994287), (133, 14317853), (209, 9111361), (259, 7352411), (277, 6874637), (407, 4678807), (703, 2708783), (889, 2142041), (1397, 1363117), (1463, 1301623), (1939, 982091), (2413, 789173), (2849, 668401), (3047, 624967), (4699, 405251), (4921, 386969), (5263, 361823), (7733, 246253), (9779, 194731), (10249, 185801), (16891, 112739), (21329, 89281), (26543, 71743), (32893, 57893), (35179, 54131), (36841, 51689)]