1644689872

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1543}}^1$

素因数の和:1896

約数の個数: 80

約数和(自身を含む): 3773980672

約数和(自身を除く): 2129290800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 307, 434, 496, 614, 868, 1228, 1543, 1736, 2149, 2456, 3086, 3472, 4298, 4912, 6172, 8596, 9517, 10801, 12344, 17192, 19034, 21602, 24688, 34384, 38068, 43204, 47833, 66619, 76136, 86408, 95666, 133238, 152272, 172816, 191332, 266476, 334831, 382664, 473701, 532952, 669662, 765328, 947402, 1065904, 1339324, 1894804, 2678648, 3315907, 3789608, 5357296, 6631814, 7579216, 13263628, 14684731, 26527256, 29369462, 53054512, 58738924, 102793117, 117477848, 205586234, 234955696, 411172468, 822344936, 1644689872]

約数ペア:

[(1, 1644689872), (2, 822344936), (4, 411172468), (7, 234955696), (8, 205586234), (14, 117477848), (16, 102793117), (28, 58738924), (31, 53054512), (56, 29369462), (62, 26527256), (112, 14684731), (124, 13263628), (217, 7579216), (248, 6631814), (307, 5357296), (434, 3789608), (496, 3315907), (614, 2678648), (868, 1894804), (1228, 1339324), (1543, 1065904), (1736, 947402), (2149, 765328), (2456, 669662), (3086, 532952), (3472, 473701), (4298, 382664), (4912, 334831), (6172, 266476), (8596, 191332), (9517, 172816), (10801, 152272), (12344, 133238), (17192, 95666), (19034, 86408), (21602, 76136), (24688, 66619), (34384, 47833), (38068, 43204)]