221447268

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2671}}^1$

素因数の和:2742

約数の個数: 108

約数和(自身を含む): 665263872

約数和(自身を除く): 443816604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 49, 63, 84, 94, 98, 126, 141, 147, 188, 196, 252, 282, 294, 329, 423, 441, 564, 588, 658, 846, 882, 987, 1316, 1692, 1764, 1974, 2303, 2671, 2961, 3948, 4606, 5342, 5922, 6909, 8013, 9212, 10684, 11844, 13818, 16026, 18697, 20727, 24039, 27636, 32052, 37394, 41454, 48078, 56091, 74788, 82908, 96156, 112182, 125537, 130879, 168273, 224364, 251074, 261758, 336546, 376611, 392637, 502148, 523516, 673092, 753222, 785274, 878759, 1129833, 1177911, 1506444, 1570548, 1757518, 2259666, 2355822, 2636277, 3515036, 4519332, 4711644, 5272554, 6151313, 7908831, 10545108, 12302626, 15817662, 18453939, 24605252, 31635324, 36907878, 55361817, 73815756, 110723634, 221447268]

約数ペア:

[(1, 221447268), (2, 110723634), (3, 73815756), (4, 55361817), (6, 36907878), (7, 31635324), (9, 24605252), (12, 18453939), (14, 15817662), (18, 12302626), (21, 10545108), (28, 7908831), (36, 6151313), (42, 5272554), (47, 4711644), (49, 4519332), (63, 3515036), (84, 2636277), (94, 2355822), (98, 2259666), (126, 1757518), (141, 1570548), (147, 1506444), (188, 1177911), (196, 1129833), (252, 878759), (282, 785274), (294, 753222), (329, 673092), (423, 523516), (441, 502148), (564, 392637), (588, 376611), (658, 336546), (846, 261758), (882, 251074), (987, 224364), (1316, 168273), (1692, 130879), (1764, 125537), (1974, 112182), (2303, 96156), (2671, 82908), (2961, 74788), (3948, 56091), (4606, 48078), (5342, 41454), (5922, 37394), (6909, 32052), (8013, 27636), (9212, 24039), (10684, 20727), (11844, 18697), (13818, 16026)]