278622916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 623185920

約数和(自身を除く): 344563004

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 31, 38, 44, 52, 62, 76, 124, 143, 209, 247, 286, 341, 403, 418, 494, 572, 589, 682, 806, 827, 836, 988, 1178, 1364, 1612, 1654, 2356, 2717, 3308, 4433, 5434, 6479, 7657, 8866, 9097, 10751, 10868, 12958, 15314, 15713, 17732, 18194, 21502, 25637, 25916, 30628, 31426, 36388, 43004, 51274, 62852, 84227, 102548, 118261, 168454, 172843, 204269, 236522, 282007, 333281, 336908, 345686, 408538, 473044, 487103, 564014, 666562, 691372, 817076, 974206, 1128028, 1333124, 1948412, 2246959, 3666091, 4493918, 5358133, 6332339, 7332182, 8987836, 10716266, 12664678, 14664364, 21432532, 25329356, 69655729, 139311458, 278622916]

約数ペア:

[(1, 278622916), (2, 139311458), (4, 69655729), (11, 25329356), (13, 21432532), (19, 14664364), (22, 12664678), (26, 10716266), (31, 8987836), (38, 7332182), (44, 6332339), (52, 5358133), (62, 4493918), (76, 3666091), (124, 2246959), (143, 1948412), (209, 1333124), (247, 1128028), (286, 974206), (341, 817076), (403, 691372), (418, 666562), (494, 564014), (572, 487103), (589, 473044), (682, 408538), (806, 345686), (827, 336908), (836, 333281), (988, 282007), (1178, 236522), (1364, 204269), (1612, 172843), (1654, 168454), (2356, 118261), (2717, 102548), (3308, 84227), (4433, 62852), (5434, 51274), (6479, 43004), (7657, 36388), (8866, 31426), (9097, 30628), (10751, 25916), (10868, 25637), (12958, 21502), (15314, 18194), (15713, 17732)]