289326414

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 659957760

約数和(自身を除く): 370631346

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 197, 247, 394, 494, 591, 741, 991, 1182, 1482, 1982, 2561, 2973, 3743, 5122, 5946, 7486, 7683, 11229, 12883, 15366, 18829, 22458, 25766, 37658, 38649, 48659, 56487, 77298, 97318, 112974, 145977, 195227, 244777, 291954, 390454, 489554, 585681, 734331, 1171362, 1468662, 2537951, 3709313, 5075902, 7418626, 7613853, 11127939, 15227706, 22255878, 48221069, 96442138, 144663207, 289326414]

約数ペア:

[(1, 289326414), (2, 144663207), (3, 96442138), (6, 48221069), (13, 22255878), (19, 15227706), (26, 11127939), (38, 7613853), (39, 7418626), (57, 5075902), (78, 3709313), (114, 2537951), (197, 1468662), (247, 1171362), (394, 734331), (494, 585681), (591, 489554), (741, 390454), (991, 291954), (1182, 244777), (1482, 195227), (1982, 145977), (2561, 112974), (2973, 97318), (3743, 77298), (5122, 56487), (5946, 48659), (7486, 38649), (7683, 37658), (11229, 25766), (12883, 22458), (15366, 18829)]