219651516

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:784

約数の個数: 108

約数和(自身を含む): 649827360

約数和(自身を除く): 430175844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 239, 252, 294, 441, 478, 521, 588, 717, 882, 956, 1042, 1434, 1563, 1673, 1764, 2084, 2151, 2868, 3126, 3346, 3647, 4302, 4689, 5019, 6252, 6692, 7294, 8604, 9378, 10038, 10941, 11711, 14588, 15057, 18756, 20076, 21882, 23422, 25529, 30114, 32823, 35133, 43764, 46844, 51058, 60228, 65646, 70266, 76587, 102116, 105399, 124519, 131292, 140532, 153174, 210798, 229761, 249038, 306348, 373557, 421596, 459522, 498076, 747114, 871633, 919044, 1120671, 1494228, 1743266, 2241342, 2614899, 3486532, 4482684, 5229798, 6101431, 7844697, 10459596, 12202862, 15689394, 18304293, 24405724, 31378788, 36608586, 54912879, 73217172, 109825758, 219651516]

約数ペア:

[(1, 219651516), (2, 109825758), (3, 73217172), (4, 54912879), (6, 36608586), (7, 31378788), (9, 24405724), (12, 18304293), (14, 15689394), (18, 12202862), (21, 10459596), (28, 7844697), (36, 6101431), (42, 5229798), (49, 4482684), (63, 3486532), (84, 2614899), (98, 2241342), (126, 1743266), (147, 1494228), (196, 1120671), (239, 919044), (252, 871633), (294, 747114), (441, 498076), (478, 459522), (521, 421596), (588, 373557), (717, 306348), (882, 249038), (956, 229761), (1042, 210798), (1434, 153174), (1563, 140532), (1673, 131292), (1764, 124519), (2084, 105399), (2151, 102116), (2868, 76587), (3126, 70266), (3346, 65646), (3647, 60228), (4302, 51058), (4689, 46844), (5019, 43764), (6252, 35133), (6692, 32823), (7294, 30114), (8604, 25529), (9378, 23422), (10038, 21882), (10941, 20076), (11711, 18756), (14588, 15057)]