311937128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{9049}}^1$

素因数の和:9225

約数の個数: 32

約数和(自身を含む): 608160000

約数和(自身を除く): 296222872

約数列:

[1, 2, 4, 8, 31, 62, 124, 139, 248, 278, 556, 1112, 4309, 8618, 9049, 17236, 18098, 34472, 36196, 72392, 280519, 561038, 1122076, 1257811, 2244152, 2515622, 5031244, 10062488, 38992141, 77984282, 155968564, 311937128]

約数ペア:

[(1, 311937128), (2, 155968564), (4, 77984282), (8, 38992141), (31, 10062488), (62, 5031244), (124, 2515622), (139, 2244152), (248, 1257811), (278, 1122076), (556, 561038), (1112, 280519), (4309, 72392), (8618, 36196), (9049, 34472), (17236, 18098)]