255194964

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1471}}^1$

素因数の和:1621

約数の個数: 72

約数和(自身を含む): 664401920

約数和(自身を除く): 409206956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 79, 122, 158, 183, 237, 244, 316, 366, 474, 549, 711, 732, 948, 1098, 1422, 1471, 2196, 2844, 2942, 4413, 4819, 5884, 8826, 9638, 13239, 14457, 17652, 19276, 26478, 28914, 43371, 52956, 57828, 86742, 89731, 116209, 173484, 179462, 232418, 269193, 348627, 358924, 464836, 538386, 697254, 807579, 1045881, 1076772, 1394508, 1615158, 2091762, 3230316, 4183524, 7088749, 14177498, 21266247, 28354996, 42532494, 63798741, 85064988, 127597482, 255194964]

約数ペア:

[(1, 255194964), (2, 127597482), (3, 85064988), (4, 63798741), (6, 42532494), (9, 28354996), (12, 21266247), (18, 14177498), (36, 7088749), (61, 4183524), (79, 3230316), (122, 2091762), (158, 1615158), (183, 1394508), (237, 1076772), (244, 1045881), (316, 807579), (366, 697254), (474, 538386), (549, 464836), (711, 358924), (732, 348627), (948, 269193), (1098, 232418), (1422, 179462), (1471, 173484), (2196, 116209), (2844, 89731), (2942, 86742), (4413, 57828), (4819, 52956), (5884, 43371), (8826, 28914), (9638, 26478), (13239, 19276), (14457, 17652)]