81667908

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 108

約数和(自身を含む): 244079472

約数和(自身を除く): 162411564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 67, 84, 98, 126, 134, 147, 196, 201, 252, 268, 294, 402, 441, 469, 588, 603, 691, 804, 882, 938, 1206, 1382, 1407, 1764, 1876, 2073, 2412, 2764, 2814, 3283, 4146, 4221, 4837, 5628, 6219, 6566, 8292, 8442, 9674, 9849, 12438, 13132, 14511, 16884, 19348, 19698, 24876, 29022, 29547, 33859, 39396, 43533, 46297, 58044, 59094, 67718, 87066, 92594, 101577, 118188, 135436, 138891, 174132, 185188, 203154, 277782, 304731, 324079, 406308, 416673, 555564, 609462, 648158, 833346, 972237, 1218924, 1296316, 1666692, 1944474, 2268553, 2916711, 3888948, 4537106, 5833422, 6805659, 9074212, 11666844, 13611318, 20416977, 27222636, 40833954, 81667908]

約数ペア:

[(1, 81667908), (2, 40833954), (3, 27222636), (4, 20416977), (6, 13611318), (7, 11666844), (9, 9074212), (12, 6805659), (14, 5833422), (18, 4537106), (21, 3888948), (28, 2916711), (36, 2268553), (42, 1944474), (49, 1666692), (63, 1296316), (67, 1218924), (84, 972237), (98, 833346), (126, 648158), (134, 609462), (147, 555564), (196, 416673), (201, 406308), (252, 324079), (268, 304731), (294, 277782), (402, 203154), (441, 185188), (469, 174132), (588, 138891), (603, 135436), (691, 118188), (804, 101577), (882, 92594), (938, 87066), (1206, 67718), (1382, 59094), (1407, 58044), (1764, 46297), (1876, 43533), (2073, 39396), (2412, 33859), (2764, 29547), (2814, 29022), (3283, 24876), (4146, 19698), (4221, 19348), (4837, 16884), (5628, 14511), (6219, 13132), (6566, 12438), (8292, 9849), (8442, 9674)]