664510028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:464

約数の個数: 108

約数和(自身を含む): 1522750320

約数和(自身を除く): 858240292

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 169, 182, 247, 266, 338, 361, 364, 389, 494, 532, 676, 722, 778, 988, 1183, 1444, 1556, 1729, 2366, 2527, 2723, 3211, 3458, 4693, 4732, 5054, 5057, 5446, 6422, 6916, 7391, 9386, 10108, 10114, 10892, 12844, 14782, 18772, 20228, 22477, 29564, 32851, 35399, 44954, 51737, 61009, 65702, 65741, 70798, 89908, 96083, 103474, 122018, 131404, 131482, 140429, 141596, 192166, 206948, 244036, 262964, 280858, 384332, 427063, 460187, 561716, 672581, 854126, 920374, 983003, 1249079, 1345162, 1708252, 1825577, 1840748, 1966006, 2498158, 2690324, 3651154, 3932012, 4996316, 7302308, 8743553, 12779039, 17487106, 23732501, 25558078, 34974212, 47465002, 51116156, 94930004, 166127507, 332255014, 664510028]

約数ペア:

[(1, 664510028), (2, 332255014), (4, 166127507), (7, 94930004), (13, 51116156), (14, 47465002), (19, 34974212), (26, 25558078), (28, 23732501), (38, 17487106), (52, 12779039), (76, 8743553), (91, 7302308), (133, 4996316), (169, 3932012), (182, 3651154), (247, 2690324), (266, 2498158), (338, 1966006), (361, 1840748), (364, 1825577), (389, 1708252), (494, 1345162), (532, 1249079), (676, 983003), (722, 920374), (778, 854126), (988, 672581), (1183, 561716), (1444, 460187), (1556, 427063), (1729, 384332), (2366, 280858), (2527, 262964), (2723, 244036), (3211, 206948), (3458, 192166), (4693, 141596), (4732, 140429), (5054, 131482), (5057, 131404), (5446, 122018), (6422, 103474), (6916, 96083), (7391, 89908), (9386, 70798), (10108, 65741), (10114, 65702), (10892, 61009), (12844, 51737), (14782, 44954), (18772, 35399), (20228, 32851), (22477, 29564)]