989474148

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{11681}}^1$

素因数の和:11885

約数の個数: 72

約数和(自身を含む): 2708681976

約数和(自身を除く): 1719207828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 181, 234, 362, 468, 543, 724, 1086, 1629, 2172, 2353, 3258, 4706, 6516, 7059, 9412, 11681, 14118, 21177, 23362, 28236, 35043, 42354, 46724, 70086, 84708, 105129, 140172, 151853, 210258, 303706, 420516, 455559, 607412, 911118, 1366677, 1822236, 2114261, 2733354, 4228522, 5466708, 6342783, 8457044, 12685566, 19028349, 25371132, 27485393, 38056698, 54970786, 76113396, 82456179, 109941572, 164912358, 247368537, 329824716, 494737074, 989474148]

約数ペア:

[(1, 989474148), (2, 494737074), (3, 329824716), (4, 247368537), (6, 164912358), (9, 109941572), (12, 82456179), (13, 76113396), (18, 54970786), (26, 38056698), (36, 27485393), (39, 25371132), (52, 19028349), (78, 12685566), (117, 8457044), (156, 6342783), (181, 5466708), (234, 4228522), (362, 2733354), (468, 2114261), (543, 1822236), (724, 1366677), (1086, 911118), (1629, 607412), (2172, 455559), (2353, 420516), (3258, 303706), (4706, 210258), (6516, 151853), (7059, 140172), (9412, 105129), (11681, 84708), (14118, 70086), (21177, 46724), (23362, 42354), (28236, 35043)]