27731284

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 61891200

約数和(自身を除く): 34159916

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 149, 161, 238, 289, 298, 322, 391, 476, 578, 596, 644, 782, 1043, 1156, 1564, 2023, 2086, 2533, 2737, 3427, 4046, 4172, 5066, 5474, 6647, 6854, 8092, 10132, 10948, 13294, 13708, 17731, 23989, 26588, 35462, 43061, 46529, 47978, 58259, 70924, 86122, 93058, 95956, 116518, 172244, 186116, 233036, 301427, 407813, 602854, 815626, 990403, 1205708, 1631252, 1980806, 3961612, 6932821, 13865642, 27731284]

約数ペア:

[(1, 27731284), (2, 13865642), (4, 6932821), (7, 3961612), (14, 1980806), (17, 1631252), (23, 1205708), (28, 990403), (34, 815626), (46, 602854), (68, 407813), (92, 301427), (119, 233036), (149, 186116), (161, 172244), (238, 116518), (289, 95956), (298, 93058), (322, 86122), (391, 70924), (476, 58259), (578, 47978), (596, 46529), (644, 43061), (782, 35462), (1043, 26588), (1156, 23989), (1564, 17731), (2023, 13708), (2086, 13294), (2533, 10948), (2737, 10132), (3427, 8092), (4046, 6854), (4172, 6647), (5066, 5474)]