128877252

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1471}}^1$

素因数の和:1641

約数の個数: 72

約数和(自身を含む): 352396800

約数和(自身を除く): 223519548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 149, 196, 294, 298, 447, 588, 596, 894, 1043, 1471, 1788, 2086, 2942, 3129, 4172, 4413, 5884, 6258, 7301, 8826, 10297, 12516, 14602, 17652, 20594, 21903, 29204, 30891, 41188, 43806, 61782, 72079, 87612, 123564, 144158, 216237, 219179, 288316, 432474, 438358, 657537, 864948, 876716, 1315074, 1534253, 2630148, 3068506, 4602759, 6137012, 9205518, 10739771, 18411036, 21479542, 32219313, 42959084, 64438626, 128877252]

約数ペア:

[(1, 128877252), (2, 64438626), (3, 42959084), (4, 32219313), (6, 21479542), (7, 18411036), (12, 10739771), (14, 9205518), (21, 6137012), (28, 4602759), (42, 3068506), (49, 2630148), (84, 1534253), (98, 1315074), (147, 876716), (149, 864948), (196, 657537), (294, 438358), (298, 432474), (447, 288316), (588, 219179), (596, 216237), (894, 144158), (1043, 123564), (1471, 87612), (1788, 72079), (2086, 61782), (2942, 43806), (3129, 41188), (4172, 30891), (4413, 29204), (5884, 21903), (6258, 20594), (7301, 17652), (8826, 14602), (10297, 12516)]