81013568

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3967

約数の個数: 56

約数和(自身を含む): 179222400

約数和(自身を除く): 98208832

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1292, 2584, 3919, 5168, 7838, 10336, 15676, 20672, 31352, 62704, 66623, 74461, 125408, 133246, 148922, 250816, 266492, 297844, 532984, 595688, 1065968, 1191376, 1265837, 2131936, 2382752, 2531674, 4263872, 4765504, 5063348, 10126696, 20253392, 40506784, 81013568]

約数ペア:

[(1, 81013568), (2, 40506784), (4, 20253392), (8, 10126696), (16, 5063348), (17, 4765504), (19, 4263872), (32, 2531674), (34, 2382752), (38, 2131936), (64, 1265837), (68, 1191376), (76, 1065968), (136, 595688), (152, 532984), (272, 297844), (304, 266492), (323, 250816), (544, 148922), (608, 133246), (646, 125408), (1088, 74461), (1216, 66623), (1292, 62704), (2584, 31352), (3919, 20672), (5168, 15676), (7838, 10336)]