164430256

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31817}}^1$

素因数の和:31861

約数の個数: 40

約数和(自身を含む): 355088880

約数和(自身を除く): 190658624

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 31817, 63634, 127268, 254536, 509072, 540889, 604523, 1081778, 1209046, 2163556, 2418092, 4327112, 4836184, 8654224, 9672368, 10276891, 20553782, 41107564, 82215128, 164430256]

約数ペア:

[(1, 164430256), (2, 82215128), (4, 41107564), (8, 20553782), (16, 10276891), (17, 9672368), (19, 8654224), (34, 4836184), (38, 4327112), (68, 2418092), (76, 2163556), (136, 1209046), (152, 1081778), (272, 604523), (304, 540889), (323, 509072), (646, 254536), (1292, 127268), (2584, 63634), (5168, 31817)]