28532478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 64576512

約数和(自身を除く): 36044034

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 47, 78, 86, 94, 129, 141, 181, 258, 282, 362, 543, 559, 611, 1086, 1118, 1222, 1677, 1833, 2021, 2353, 3354, 3666, 4042, 4706, 6063, 7059, 7783, 8507, 12126, 14118, 15566, 17014, 23349, 25521, 26273, 46698, 51042, 52546, 78819, 101179, 110591, 157638, 202358, 221182, 303537, 331773, 365801, 607074, 663546, 731602, 1097403, 2194806, 4755413, 9510826, 14266239, 28532478]

約数ペア:

[(1, 28532478), (2, 14266239), (3, 9510826), (6, 4755413), (13, 2194806), (26, 1097403), (39, 731602), (43, 663546), (47, 607074), (78, 365801), (86, 331773), (94, 303537), (129, 221182), (141, 202358), (181, 157638), (258, 110591), (282, 101179), (362, 78819), (543, 52546), (559, 51042), (611, 46698), (1086, 26273), (1118, 25521), (1222, 23349), (1677, 17014), (1833, 15566), (2021, 14118), (2353, 12126), (3354, 8507), (3666, 7783), (4042, 7059), (4706, 6063)]