644448

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{137}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 1982232

約数和(自身を除く): 1337784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 137, 147, 168, 196, 224, 274, 294, 336, 392, 411, 548, 588, 672, 784, 822, 959, 1096, 1176, 1568, 1644, 1918, 2192, 2352, 2877, 3288, 3836, 4384, 4704, 5754, 6576, 6713, 7672, 11508, 13152, 13426, 15344, 20139, 23016, 26852, 30688, 40278, 46032, 53704, 80556, 92064, 107408, 161112, 214816, 322224, 644448]

約数ペア:

[(1, 644448), (2, 322224), (3, 214816), (4, 161112), (6, 107408), (7, 92064), (8, 80556), (12, 53704), (14, 46032), (16, 40278), (21, 30688), (24, 26852), (28, 23016), (32, 20139), (42, 15344), (48, 13426), (49, 13152), (56, 11508), (84, 7672), (96, 6713), (98, 6576), (112, 5754), (137, 4704), (147, 4384), (168, 3836), (196, 3288), (224, 2877), (274, 2352), (294, 2192), (336, 1918), (392, 1644), (411, 1568), (548, 1176), (588, 1096), (672, 959), (784, 822)]