64984556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 145603584

約数和(自身を除く): 80619028

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 443, 676, 806, 868, 886, 1183, 1612, 1772, 2366, 2821, 3101, 4732, 5239, 5642, 5759, 6202, 10478, 11284, 11518, 12404, 13733, 20956, 23036, 27466, 36673, 40313, 54932, 73346, 74867, 80626, 96131, 146692, 149734, 161252, 178529, 192262, 299468, 357058, 384524, 524069, 714116, 1048138, 1249703, 2096276, 2320877, 2499406, 4641754, 4998812, 9283508, 16246139, 32492278, 64984556]

約数ペア:

[(1, 64984556), (2, 32492278), (4, 16246139), (7, 9283508), (13, 4998812), (14, 4641754), (26, 2499406), (28, 2320877), (31, 2096276), (52, 1249703), (62, 1048138), (91, 714116), (124, 524069), (169, 384524), (182, 357058), (217, 299468), (338, 192262), (364, 178529), (403, 161252), (434, 149734), (443, 146692), (676, 96131), (806, 80626), (868, 74867), (886, 73346), (1183, 54932), (1612, 40313), (1772, 36673), (2366, 27466), (2821, 23036), (3101, 20956), (4732, 13733), (5239, 12404), (5642, 11518), (5759, 11284), (6202, 10478)]