81951633790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{15187}}^1$

素因数の和:15354

約数の個数: 96

約数和(自身を含む): 166497417216

約数和(自身を除く): 84545783426

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 103, 130, 155, 169, 206, 310, 338, 403, 515, 806, 845, 1030, 1339, 1690, 2015, 2678, 3193, 4030, 5239, 6386, 6695, 10478, 13390, 15187, 15965, 17407, 26195, 30374, 31930, 34814, 41509, 52390, 75935, 83018, 87035, 151870, 174070, 197431, 207545, 394862, 415090, 470797, 539617, 941594, 987155, 1079234, 1564261, 1974310, 2353985, 2566603, 2698085, 3128522, 4707970, 5133206, 5396170, 6120361, 7821305, 12240722, 12833015, 15642610, 20335393, 25666030, 30601805, 40670786, 48492091, 61203610, 79564693, 96984182, 101676965, 159129386, 203353930, 242460455, 264360109, 397823465, 484920910, 528720218, 630397183, 795646930, 1260794366, 1321800545, 2643601090, 3151985915, 6303971830, 8195163379, 16390326758, 40975816895, 81951633790]

約数ペア:

[(1, 81951633790), (2, 40975816895), (5, 16390326758), (10, 8195163379), (13, 6303971830), (26, 3151985915), (31, 2643601090), (62, 1321800545), (65, 1260794366), (103, 795646930), (130, 630397183), (155, 528720218), (169, 484920910), (206, 397823465), (310, 264360109), (338, 242460455), (403, 203353930), (515, 159129386), (806, 101676965), (845, 96984182), (1030, 79564693), (1339, 61203610), (1690, 48492091), (2015, 40670786), (2678, 30601805), (3193, 25666030), (4030, 20335393), (5239, 15642610), (6386, 12833015), (6695, 12240722), (10478, 7821305), (13390, 6120361), (15187, 5396170), (15965, 5133206), (17407, 4707970), (26195, 3128522), (30374, 2698085), (31930, 2566603), (34814, 2353985), (41509, 1974310), (52390, 1564261), (75935, 1079234), (83018, 987155), (87035, 941594), (151870, 539617), (174070, 470797), (197431, 415090), (207545, 394862)]