1279495984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3366

約数の個数: 80

約数和(自身を含む): 2801876224

約数和(自身を除く): 1522380240

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 61, 62, 104, 122, 124, 208, 244, 248, 403, 488, 496, 793, 806, 976, 1586, 1612, 1891, 3172, 3224, 3253, 3782, 6344, 6448, 6506, 7564, 12688, 13012, 15128, 24583, 26024, 30256, 42289, 49166, 52048, 84578, 98332, 100843, 169156, 196664, 198433, 201686, 338312, 393328, 396866, 403372, 676624, 793732, 806744, 1310959, 1587464, 1613488, 2579629, 2621918, 3174928, 5159258, 5243836, 6151423, 10318516, 10487672, 12302846, 20637032, 20975344, 24605692, 41274064, 49211384, 79968499, 98422768, 159936998, 319873996, 639747992, 1279495984]

約数ペア:

[(1, 1279495984), (2, 639747992), (4, 319873996), (8, 159936998), (13, 98422768), (16, 79968499), (26, 49211384), (31, 41274064), (52, 24605692), (61, 20975344), (62, 20637032), (104, 12302846), (122, 10487672), (124, 10318516), (208, 6151423), (244, 5243836), (248, 5159258), (403, 3174928), (488, 2621918), (496, 2579629), (793, 1613488), (806, 1587464), (976, 1310959), (1586, 806744), (1612, 793732), (1891, 676624), (3172, 403372), (3224, 396866), (3253, 393328), (3782, 338312), (6344, 201686), (6448, 198433), (6506, 196664), (7564, 169156), (12688, 100843), (13012, 98332), (15128, 84578), (24583, 52048), (26024, 49166), (30256, 42289)]