87899864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 186157440

約数和(自身を除く): 98257576

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 53, 74, 104, 106, 148, 212, 296, 424, 431, 481, 689, 862, 962, 1378, 1724, 1924, 1961, 2756, 3448, 3848, 3922, 5512, 5603, 7844, 11206, 15688, 15947, 22412, 22843, 25493, 31894, 44824, 45686, 50986, 63788, 91372, 101972, 127576, 182744, 203944, 207311, 296959, 414622, 593918, 829244, 845191, 1187836, 1658488, 1690382, 2375672, 3380764, 6761528, 10987483, 21974966, 43949932, 87899864]

約数ペア:

[(1, 87899864), (2, 43949932), (4, 21974966), (8, 10987483), (13, 6761528), (26, 3380764), (37, 2375672), (52, 1690382), (53, 1658488), (74, 1187836), (104, 845191), (106, 829244), (148, 593918), (212, 414622), (296, 296959), (424, 207311), (431, 203944), (481, 182744), (689, 127576), (862, 101972), (962, 91372), (1378, 63788), (1724, 50986), (1924, 45686), (1961, 44824), (2756, 31894), (3448, 25493), (3848, 22843), (3922, 22412), (5512, 15947), (5603, 15688), (7844, 11206)]