221729144

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4993}}^1$

素因数の和:5080

約数の個数: 64

約数和(自身を含む): 520175040

約数和(自身を除く): 298445896

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 427, 488, 728, 793, 854, 1586, 1708, 3172, 3416, 4993, 5551, 6344, 9986, 11102, 19972, 22204, 34951, 39944, 44408, 64909, 69902, 129818, 139804, 259636, 279608, 304573, 454363, 519272, 609146, 908726, 1218292, 1817452, 2132011, 2436584, 3634904, 3959449, 4264022, 7918898, 8528044, 15837796, 17056088, 27716143, 31675592, 55432286, 110864572, 221729144]

約数ペア:

[(1, 221729144), (2, 110864572), (4, 55432286), (7, 31675592), (8, 27716143), (13, 17056088), (14, 15837796), (26, 8528044), (28, 7918898), (52, 4264022), (56, 3959449), (61, 3634904), (91, 2436584), (104, 2132011), (122, 1817452), (182, 1218292), (244, 908726), (364, 609146), (427, 519272), (488, 454363), (728, 304573), (793, 279608), (854, 259636), (1586, 139804), (1708, 129818), (3172, 69902), (3416, 64909), (4993, 44408), (5551, 39944), (6344, 34951), (9986, 22204), (11102, 19972)]