646345968

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{2357}}^1$

素因数の和:2594

約数の個数: 80

約数和(自身を含む): 1736808480

約数和(自身を除く): 1090462512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 197, 232, 348, 394, 464, 591, 696, 788, 1182, 1392, 1576, 2357, 2364, 3152, 4714, 4728, 5713, 7071, 9428, 9456, 11426, 14142, 17139, 18856, 22852, 28284, 34278, 37712, 45704, 56568, 68353, 68556, 91408, 113136, 136706, 137112, 205059, 273412, 274224, 410118, 464329, 546824, 820236, 928658, 1093648, 1392987, 1640472, 1857316, 2785974, 3280944, 3714632, 5571948, 7429264, 11143896, 13465541, 22287792, 26931082, 40396623, 53862164, 80793246, 107724328, 161586492, 215448656, 323172984, 646345968]

約数ペア:

[(1, 646345968), (2, 323172984), (3, 215448656), (4, 161586492), (6, 107724328), (8, 80793246), (12, 53862164), (16, 40396623), (24, 26931082), (29, 22287792), (48, 13465541), (58, 11143896), (87, 7429264), (116, 5571948), (174, 3714632), (197, 3280944), (232, 2785974), (348, 1857316), (394, 1640472), (464, 1392987), (591, 1093648), (696, 928658), (788, 820236), (1182, 546824), (1392, 464329), (1576, 410118), (2357, 274224), (2364, 273412), (3152, 205059), (4714, 137112), (4728, 136706), (5713, 113136), (7071, 91408), (9428, 68556), (9456, 68353), (11426, 56568), (14142, 45704), (17139, 37712), (18856, 34278), (22852, 28284)]