321596392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 666207360

約数和(自身を除く): 344610968

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 163, 244, 311, 326, 488, 622, 652, 793, 1244, 1304, 1586, 2119, 2488, 3172, 4043, 4238, 6344, 8086, 8476, 9943, 16172, 16952, 18971, 19886, 32344, 37942, 39772, 50693, 75884, 79544, 101386, 129259, 151768, 202772, 246623, 258518, 405544, 493246, 517036, 659009, 986492, 1034072, 1318018, 1972984, 2636036, 3092273, 5272072, 6184546, 12369092, 24738184, 40199549, 80399098, 160798196, 321596392]

約数ペア:

[(1, 321596392), (2, 160798196), (4, 80399098), (8, 40199549), (13, 24738184), (26, 12369092), (52, 6184546), (61, 5272072), (104, 3092273), (122, 2636036), (163, 1972984), (244, 1318018), (311, 1034072), (326, 986492), (488, 659009), (622, 517036), (652, 493246), (793, 405544), (1244, 258518), (1304, 246623), (1586, 202772), (2119, 151768), (2488, 129259), (3172, 101386), (4043, 79544), (4238, 75884), (6344, 50693), (8086, 39772), (8476, 37942), (9943, 32344), (16172, 19886), (16952, 18971)]