642613136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6199}}^1$

素因数の和:6268

約数の個数: 80

約数和(自身を含む): 1476096000

約数和(自身を除く): 833482864

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 38, 44, 62, 76, 88, 124, 152, 176, 209, 248, 304, 341, 418, 496, 589, 682, 836, 1178, 1364, 1672, 2356, 2728, 3344, 4712, 5456, 6199, 6479, 9424, 12398, 12958, 24796, 25916, 49592, 51832, 68189, 99184, 103664, 117781, 136378, 192169, 235562, 272756, 384338, 471124, 545512, 768676, 942248, 1091024, 1295591, 1537352, 1884496, 2113859, 2591182, 3074704, 3651211, 4227718, 5182364, 7302422, 8455436, 10364728, 14604844, 16910872, 20729456, 29209688, 33821744, 40163321, 58419376, 80326642, 160653284, 321306568, 642613136]

約数ペア:

[(1, 642613136), (2, 321306568), (4, 160653284), (8, 80326642), (11, 58419376), (16, 40163321), (19, 33821744), (22, 29209688), (31, 20729456), (38, 16910872), (44, 14604844), (62, 10364728), (76, 8455436), (88, 7302422), (124, 5182364), (152, 4227718), (176, 3651211), (209, 3074704), (248, 2591182), (304, 2113859), (341, 1884496), (418, 1537352), (496, 1295591), (589, 1091024), (682, 942248), (836, 768676), (1178, 545512), (1364, 471124), (1672, 384338), (2356, 272756), (2728, 235562), (3344, 192169), (4712, 136378), (5456, 117781), (6199, 103664), (6479, 99184), (9424, 68189), (12398, 51832), (12958, 49592), (24796, 25916)]