403945948

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{1321}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 825604864

約数和(自身を除く): 421658916

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 163, 268, 326, 469, 652, 938, 1141, 1321, 1876, 2282, 2642, 4564, 5284, 9247, 10921, 18494, 21842, 36988, 43684, 76447, 88507, 152894, 177014, 215323, 305788, 354028, 430646, 619549, 861292, 1239098, 1507261, 2478196, 3014522, 6029044, 14426641, 28853282, 57706564, 100986487, 201972974, 403945948]

約数ペア:

[(1, 403945948), (2, 201972974), (4, 100986487), (7, 57706564), (14, 28853282), (28, 14426641), (67, 6029044), (134, 3014522), (163, 2478196), (268, 1507261), (326, 1239098), (469, 861292), (652, 619549), (938, 430646), (1141, 354028), (1321, 305788), (1876, 215323), (2282, 177014), (2642, 152894), (4564, 88507), (5284, 76447), (9247, 43684), (10921, 36988), (18494, 21842)]