91519220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2687}}^1$

素因数の和:2840

約数の個数: 48

約数和(自身を含む): 208631808

約数和(自身を除く): 117112588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 2687, 3406, 5374, 6812, 8515, 10748, 13435, 17030, 26870, 34060, 34931, 53740, 69862, 139724, 174655, 349310, 351997, 698620, 703994, 1407988, 1759985, 3519970, 4575961, 7039940, 9151922, 18303844, 22879805, 45759610, 91519220]

約数ペア:

[(1, 91519220), (2, 45759610), (4, 22879805), (5, 18303844), (10, 9151922), (13, 7039940), (20, 4575961), (26, 3519970), (52, 1759985), (65, 1407988), (130, 703994), (131, 698620), (260, 351997), (262, 349310), (524, 174655), (655, 139724), (1310, 69862), (1703, 53740), (2620, 34931), (2687, 34060), (3406, 26870), (5374, 17030), (6812, 13435), (8515, 10748)]