287079436

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 621035520

約数和(自身を除く): 333956084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 127, 133, 196, 254, 266, 508, 532, 607, 889, 931, 1214, 1778, 1862, 2413, 2428, 3556, 3724, 4249, 4826, 6223, 8498, 9652, 11533, 12446, 16891, 16996, 23066, 24892, 29743, 33782, 46132, 59486, 67564, 77089, 80731, 118237, 118972, 154178, 161462, 236474, 308356, 322924, 472948, 539623, 565117, 1079246, 1130234, 1464691, 2158492, 2260468, 2929382, 3777361, 5858764, 7554722, 10252837, 15109444, 20505674, 41011348, 71769859, 143539718, 287079436]

約数ペア:

[(1, 287079436), (2, 143539718), (4, 71769859), (7, 41011348), (14, 20505674), (19, 15109444), (28, 10252837), (38, 7554722), (49, 5858764), (76, 3777361), (98, 2929382), (127, 2260468), (133, 2158492), (196, 1464691), (254, 1130234), (266, 1079246), (508, 565117), (532, 539623), (607, 472948), (889, 322924), (931, 308356), (1214, 236474), (1778, 161462), (1862, 154178), (2413, 118972), (2428, 118237), (3556, 80731), (3724, 77089), (4249, 67564), (4826, 59486), (6223, 46132), (8498, 33782), (9652, 29743), (11533, 24892), (12446, 23066), (16891, 16996)]