397455376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{76907}}^1$

素因数の和:76951

約数の個数: 40

約数和(自身を含む): 858293280

約数和(自身を除く): 460837904

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 76907, 153814, 307628, 615256, 1230512, 1307419, 1461233, 2614838, 2922466, 5229676, 5844932, 10459352, 11689864, 20918704, 23379728, 24840961, 49681922, 99363844, 198727688, 397455376]

約数ペア:

[(1, 397455376), (2, 198727688), (4, 99363844), (8, 49681922), (16, 24840961), (17, 23379728), (19, 20918704), (34, 11689864), (38, 10459352), (68, 5844932), (76, 5229676), (136, 2922466), (152, 2614838), (272, 1461233), (304, 1307419), (323, 1230512), (646, 615256), (1292, 307628), (2584, 153814), (5168, 76907)]