1988871816

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 5371084800

約数和(自身を除く): 3382212984

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 61, 76, 114, 122, 127, 152, 183, 228, 244, 254, 366, 381, 456, 488, 508, 563, 732, 762, 1016, 1126, 1159, 1464, 1524, 1689, 2252, 2318, 2413, 3048, 3378, 3477, 4504, 4636, 4826, 6756, 6954, 7239, 7747, 9272, 9652, 10697, 13512, 13908, 14478, 15494, 19304, 21394, 23241, 27816, 28956, 30988, 32091, 34343, 42788, 46482, 57912, 61976, 64182, 68686, 71501, 85576, 92964, 103029, 128364, 137372, 143002, 147193, 185928, 206058, 214503, 256728, 274744, 286004, 294386, 412116, 429006, 441579, 572008, 588772, 652517, 824232, 858012, 883158, 1177544, 1305034, 1358519, 1716024, 1766316, 1957551, 2610068, 2717038, 3532632, 3915102, 4075557, 4361561, 5220136, 5434076, 7830204, 8151114, 8723122, 10868152, 13084683, 15660408, 16302228, 17446244, 26169366, 32604456, 34892488, 52338732, 82869659, 104677464, 165739318, 248608977, 331478636, 497217954, 662957272, 994435908, 1988871816]

約数ペア:

[(1, 1988871816), (2, 994435908), (3, 662957272), (4, 497217954), (6, 331478636), (8, 248608977), (12, 165739318), (19, 104677464), (24, 82869659), (38, 52338732), (57, 34892488), (61, 32604456), (76, 26169366), (114, 17446244), (122, 16302228), (127, 15660408), (152, 13084683), (183, 10868152), (228, 8723122), (244, 8151114), (254, 7830204), (366, 5434076), (381, 5220136), (456, 4361561), (488, 4075557), (508, 3915102), (563, 3532632), (732, 2717038), (762, 2610068), (1016, 1957551), (1126, 1766316), (1159, 1716024), (1464, 1358519), (1524, 1305034), (1689, 1177544), (2252, 883158), (2318, 858012), (2413, 824232), (3048, 652517), (3378, 588772), (3477, 572008), (4504, 441579), (4636, 429006), (4826, 412116), (6756, 294386), (6954, 286004), (7239, 274744), (7747, 256728), (9272, 214503), (9652, 206058), (10697, 185928), (13512, 147193), (13908, 143002), (14478, 137372), (15494, 128364), (19304, 103029), (21394, 92964), (23241, 85576), (27816, 71501), (28956, 68686), (30988, 64182), (32091, 61976), (34343, 57912), (42788, 46482)]