279909292

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:136

約数の個数: 108

約数和(自身を含む): 593482176

約数和(自身を除く): 313572884

約数列:

[1, 2, 4, 13, 19, 26, 31, 37, 38, 52, 62, 74, 76, 124, 148, 169, 247, 338, 361, 403, 481, 494, 589, 676, 703, 722, 806, 962, 988, 1147, 1178, 1406, 1444, 1612, 1924, 2294, 2356, 2812, 3211, 4588, 4693, 5239, 6253, 6422, 7657, 9139, 9386, 10478, 11191, 12506, 12844, 13357, 14911, 15314, 18278, 18772, 20956, 21793, 22382, 25012, 26714, 29822, 30628, 36556, 43586, 44764, 53428, 59644, 61009, 87172, 99541, 118807, 122018, 145483, 173641, 193843, 199082, 237614, 244036, 283309, 290966, 347282, 387686, 398164, 414067, 475228, 566618, 581932, 694564, 775372, 828134, 1133236, 1656268, 1891279, 2257333, 3683017, 3782558, 4514666, 5382871, 7366034, 7565116, 9029332, 10765742, 14732068, 21531484, 69977323, 139954646, 279909292]

約数ペア:

[(1, 279909292), (2, 139954646), (4, 69977323), (13, 21531484), (19, 14732068), (26, 10765742), (31, 9029332), (37, 7565116), (38, 7366034), (52, 5382871), (62, 4514666), (74, 3782558), (76, 3683017), (124, 2257333), (148, 1891279), (169, 1656268), (247, 1133236), (338, 828134), (361, 775372), (403, 694564), (481, 581932), (494, 566618), (589, 475228), (676, 414067), (703, 398164), (722, 387686), (806, 347282), (962, 290966), (988, 283309), (1147, 244036), (1178, 237614), (1406, 199082), (1444, 193843), (1612, 173641), (1924, 145483), (2294, 122018), (2356, 118807), (2812, 99541), (3211, 87172), (4588, 61009), (4693, 59644), (5239, 53428), (6253, 44764), (6422, 43586), (7657, 36556), (9139, 30628), (9386, 29822), (10478, 26714), (11191, 25012), (12506, 22382), (12844, 21793), (13357, 20956), (14911, 18772), (15314, 18278)]