66381664

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1199

約数の個数: 48

約数和(自身を含む): 137241216

約数和(自身を除く): 70859552

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 122, 124, 244, 248, 488, 496, 976, 992, 1097, 1891, 1952, 2194, 3782, 4388, 7564, 8776, 15128, 17552, 30256, 34007, 35104, 60512, 66917, 68014, 133834, 136028, 267668, 272056, 535336, 544112, 1070672, 1088224, 2074427, 2141344, 4148854, 8297708, 16595416, 33190832, 66381664]

約数ペア:

[(1, 66381664), (2, 33190832), (4, 16595416), (8, 8297708), (16, 4148854), (31, 2141344), (32, 2074427), (61, 1088224), (62, 1070672), (122, 544112), (124, 535336), (244, 272056), (248, 267668), (488, 136028), (496, 133834), (976, 68014), (992, 66917), (1097, 60512), (1891, 35104), (1952, 34007), (2194, 30256), (3782, 17552), (4388, 15128), (7564, 8776)]