1640809996

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{773}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 3446108064

約数和(自身を除く): 1805298068

約数列:

[1, 2, 4, 7, 14, 28, 41, 43, 82, 86, 164, 172, 287, 301, 574, 602, 773, 1148, 1204, 1546, 1763, 1849, 3092, 3526, 3698, 5411, 7052, 7396, 10822, 12341, 12943, 21644, 24682, 25886, 31693, 33239, 49364, 51772, 63386, 66478, 75809, 126772, 132956, 151618, 221851, 232673, 303236, 443702, 465346, 530663, 887404, 930692, 1061326, 1362799, 1429277, 2122652, 2725598, 2858554, 5451196, 5717108, 9539593, 10004939, 19079186, 20009878, 38158372, 40019756, 58600357, 117200714, 234401428, 410202499, 820404998, 1640809996]

約数ペア:

[(1, 1640809996), (2, 820404998), (4, 410202499), (7, 234401428), (14, 117200714), (28, 58600357), (41, 40019756), (43, 38158372), (82, 20009878), (86, 19079186), (164, 10004939), (172, 9539593), (287, 5717108), (301, 5451196), (574, 2858554), (602, 2725598), (773, 2122652), (1148, 1429277), (1204, 1362799), (1546, 1061326), (1763, 930692), (1849, 887404), (3092, 530663), (3526, 465346), (3698, 443702), (5411, 303236), (7052, 232673), (7396, 221851), (10822, 151618), (12341, 132956), (12943, 126772), (21644, 75809), (24682, 66478), (25886, 63386), (31693, 51772), (33239, 49364)]