389877328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{14831}}^1$

素因数の和:14923

約数の個数: 40

約数和(自身を含む): 794520576

約数和(自身を除く): 404643248

約数列:

[1, 2, 4, 8, 16, 31, 53, 62, 106, 124, 212, 248, 424, 496, 848, 1643, 3286, 6572, 13144, 14831, 26288, 29662, 59324, 118648, 237296, 459761, 786043, 919522, 1572086, 1839044, 3144172, 3678088, 6288344, 7356176, 12576688, 24367333, 48734666, 97469332, 194938664, 389877328]

約数ペア:

[(1, 389877328), (2, 194938664), (4, 97469332), (8, 48734666), (16, 24367333), (31, 12576688), (53, 7356176), (62, 6288344), (106, 3678088), (124, 3144172), (212, 1839044), (248, 1572086), (424, 919522), (496, 786043), (848, 459761), (1643, 237296), (3286, 118648), (6572, 59324), (13144, 29662), (14831, 26288)]