16642116725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{27997}}^1$

素因数の和:28110

約数の個数: 48

約数和(自身を含む): 23330173440

約数和(自身を除く): 6688056715

約数列:

[1, 5, 13, 25, 31, 59, 65, 155, 295, 325, 403, 767, 775, 1475, 1829, 2015, 3835, 9145, 10075, 19175, 23777, 27997, 45725, 118885, 139985, 363961, 594425, 699925, 867907, 1651823, 1819805, 4339535, 8259115, 9099025, 11282791, 21473699, 21697675, 41295575, 51206513, 56413955, 107368495, 256032565, 282069775, 536842475, 665684669, 1280162825, 3328423345, 16642116725]

約数ペア:

[(1, 16642116725), (5, 3328423345), (13, 1280162825), (25, 665684669), (31, 536842475), (59, 282069775), (65, 256032565), (155, 107368495), (295, 56413955), (325, 51206513), (403, 41295575), (767, 21697675), (775, 21473699), (1475, 11282791), (1829, 9099025), (2015, 8259115), (3835, 4339535), (9145, 1819805), (10075, 1651823), (19175, 867907), (23777, 699925), (27997, 594425), (45725, 363961), (118885, 139985)]