81718218

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:748

約数の個数: 72

約数和(自身を含む): 196548768

約数和(自身を除く): 114830550

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 46, 51, 69, 102, 138, 153, 207, 289, 306, 391, 414, 578, 683, 782, 867, 1173, 1366, 1734, 2049, 2346, 2601, 3519, 4098, 5202, 6147, 6647, 7038, 11611, 12294, 13294, 15709, 19941, 23222, 31418, 34833, 39882, 47127, 59823, 69666, 94254, 104499, 119646, 141381, 197387, 208998, 267053, 282762, 394774, 534106, 592161, 801159, 1184322, 1602318, 1776483, 2403477, 3552966, 4539901, 4806954, 9079802, 13619703, 27239406, 40859109, 81718218]

約数ペア:

[(1, 81718218), (2, 40859109), (3, 27239406), (6, 13619703), (9, 9079802), (17, 4806954), (18, 4539901), (23, 3552966), (34, 2403477), (46, 1776483), (51, 1602318), (69, 1184322), (102, 801159), (138, 592161), (153, 534106), (207, 394774), (289, 282762), (306, 267053), (391, 208998), (414, 197387), (578, 141381), (683, 119646), (782, 104499), (867, 94254), (1173, 69666), (1366, 59823), (1734, 47127), (2049, 39882), (2346, 34833), (2601, 31418), (3519, 23222), (4098, 19941), (5202, 15709), (6147, 13294), (6647, 12294), (7038, 11611)]