121639216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23537}}^1$

素因数の和:23581

約数の個数: 40

約数和(自身を含む): 262684080

約数和(自身を除く): 141044864

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 23537, 47074, 94148, 188296, 376592, 400129, 447203, 800258, 894406, 1600516, 1788812, 3201032, 3577624, 6402064, 7155248, 7602451, 15204902, 30409804, 60819608, 121639216]

約数ペア:

[(1, 121639216), (2, 60819608), (4, 30409804), (8, 15204902), (16, 7602451), (17, 7155248), (19, 6402064), (34, 3577624), (38, 3201032), (68, 1788812), (76, 1600516), (136, 894406), (152, 800258), (272, 447203), (304, 400129), (323, 376592), (646, 188296), (1292, 94148), (2584, 47074), (5168, 23537)]