861039972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{4391}}^1$

素因数の和:4833

約数の個数: 72

約数和(自身を含む): 2350071360

約数和(自身を除く): 1489031388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 419, 468, 838, 1257, 1676, 2514, 3771, 4391, 5028, 5447, 7542, 8782, 10894, 13173, 15084, 16341, 17564, 21788, 26346, 32682, 39519, 49023, 52692, 57083, 65364, 79038, 98046, 114166, 158076, 171249, 196092, 228332, 342498, 513747, 684996, 1027494, 1839829, 2054988, 3679658, 5519487, 7359316, 11038974, 16558461, 22077948, 23917777, 33116922, 47835554, 66233844, 71753331, 95671108, 143506662, 215259993, 287013324, 430519986, 861039972]

約数ペア:

[(1, 861039972), (2, 430519986), (3, 287013324), (4, 215259993), (6, 143506662), (9, 95671108), (12, 71753331), (13, 66233844), (18, 47835554), (26, 33116922), (36, 23917777), (39, 22077948), (52, 16558461), (78, 11038974), (117, 7359316), (156, 5519487), (234, 3679658), (419, 2054988), (468, 1839829), (838, 1027494), (1257, 684996), (1676, 513747), (2514, 342498), (3771, 228332), (4391, 196092), (5028, 171249), (5447, 158076), (7542, 114166), (8782, 98046), (10894, 79038), (13173, 65364), (15084, 57083), (16341, 52692), (17564, 49023), (21788, 39519), (26346, 32682)]