163930780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4813}}^1$

素因数の和:4966

約数の個数: 48

約数和(自身を含む): 373643424

約数和(自身を除く): 209712644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1703, 2620, 3406, 4813, 6812, 8515, 9626, 17030, 19252, 24065, 34060, 48130, 62569, 96260, 125138, 250276, 312845, 625690, 630503, 1251380, 1261006, 2522012, 3152515, 6305030, 8196539, 12610060, 16393078, 32786156, 40982695, 81965390, 163930780]

約数ペア:

[(1, 163930780), (2, 81965390), (4, 40982695), (5, 32786156), (10, 16393078), (13, 12610060), (20, 8196539), (26, 6305030), (52, 3152515), (65, 2522012), (130, 1261006), (131, 1251380), (260, 630503), (262, 625690), (524, 312845), (655, 250276), (1310, 125138), (1703, 96260), (2620, 62569), (3406, 48130), (4813, 34060), (6812, 24065), (8515, 19252), (9626, 17030)]