81228888

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86783}}^1$

素因数の和:86808

約数の個数: 48

約数和(自身を含む): 236920320

約数和(自身を除く): 155691432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 86783, 173566, 260349, 347132, 520698, 694264, 781047, 1041396, 1128179, 1562094, 2082792, 2256358, 3124188, 3384537, 4512716, 6248376, 6769074, 9025432, 10153611, 13538148, 20307222, 27076296, 40614444, 81228888]

約数ペア:

[(1, 81228888), (2, 40614444), (3, 27076296), (4, 20307222), (6, 13538148), (8, 10153611), (9, 9025432), (12, 6769074), (13, 6248376), (18, 4512716), (24, 3384537), (26, 3124188), (36, 2256358), (39, 2082792), (52, 1562094), (72, 1128179), (78, 1041396), (104, 781047), (117, 694264), (156, 520698), (234, 347132), (312, 260349), (468, 173566), (936, 86783)]