221444664

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{15881}}^1$

素因数の和:15980

約数の個数: 64

約数和(自身を含む): 640362240

約数和(自身を除く): 418917576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 83, 84, 166, 168, 249, 332, 498, 581, 664, 996, 1162, 1743, 1992, 2324, 3486, 4648, 6972, 13944, 15881, 31762, 47643, 63524, 95286, 111167, 127048, 190572, 222334, 333501, 381144, 444668, 667002, 889336, 1318123, 1334004, 2636246, 2668008, 3954369, 5272492, 7908738, 9226861, 10544984, 15817476, 18453722, 27680583, 31634952, 36907444, 55361166, 73814888, 110722332, 221444664]

約数ペア:

[(1, 221444664), (2, 110722332), (3, 73814888), (4, 55361166), (6, 36907444), (7, 31634952), (8, 27680583), (12, 18453722), (14, 15817476), (21, 10544984), (24, 9226861), (28, 7908738), (42, 5272492), (56, 3954369), (83, 2668008), (84, 2636246), (166, 1334004), (168, 1318123), (249, 889336), (332, 667002), (498, 444668), (581, 381144), (664, 333501), (996, 222334), (1162, 190572), (1743, 127048), (1992, 111167), (2324, 95286), (3486, 63524), (4648, 47643), (6972, 31762), (13944, 15881)]