278327428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 524339200

約数和(自身を除く): 246011772

約数列:

[1, 2, 4, 19, 38, 76, 79, 151, 158, 302, 307, 316, 604, 614, 1228, 1501, 2869, 3002, 5738, 5833, 6004, 11476, 11666, 11929, 23332, 23858, 24253, 46357, 47716, 48506, 92714, 97012, 185428, 226651, 453302, 460807, 880783, 906604, 921614, 1761566, 1843228, 3523132, 3662203, 7324406, 14648812, 69581857, 139163714, 278327428]

約数ペア:

[(1, 278327428), (2, 139163714), (4, 69581857), (19, 14648812), (38, 7324406), (76, 3662203), (79, 3523132), (151, 1843228), (158, 1761566), (302, 921614), (307, 906604), (316, 880783), (604, 460807), (614, 453302), (1228, 226651), (1501, 185428), (2869, 97012), (3002, 92714), (5738, 48506), (5833, 47716), (6004, 46357), (11476, 24253), (11666, 23858), (11929, 23332)]