221402376

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2196

約数の個数: 128

約数和(自身を含む): 680534400

約数和(自身を除く): 459132024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 37, 39, 52, 54, 72, 74, 78, 104, 108, 111, 117, 148, 156, 216, 222, 234, 296, 312, 333, 351, 444, 468, 481, 666, 702, 888, 936, 962, 999, 1332, 1404, 1443, 1924, 1998, 2131, 2664, 2808, 2886, 3848, 3996, 4262, 4329, 5772, 6393, 7992, 8524, 8658, 11544, 12786, 12987, 17048, 17316, 19179, 25572, 25974, 27703, 34632, 38358, 51144, 51948, 55406, 57537, 76716, 78847, 83109, 103896, 110812, 115074, 153432, 157694, 166218, 221624, 230148, 236541, 249327, 315388, 332436, 460296, 473082, 498654, 630776, 664872, 709623, 747981, 946164, 997308, 1025011, 1419246, 1495962, 1892328, 1994616, 2050022, 2128869, 2838492, 2991924, 3075033, 4100044, 4257738, 5676984, 5983848, 6150066, 8200088, 8515476, 9225099, 12300132, 17030952, 18450198, 24600264, 27675297, 36900396, 55350594, 73800792, 110701188, 221402376]

約数ペア:

[(1, 221402376), (2, 110701188), (3, 73800792), (4, 55350594), (6, 36900396), (8, 27675297), (9, 24600264), (12, 18450198), (13, 17030952), (18, 12300132), (24, 9225099), (26, 8515476), (27, 8200088), (36, 6150066), (37, 5983848), (39, 5676984), (52, 4257738), (54, 4100044), (72, 3075033), (74, 2991924), (78, 2838492), (104, 2128869), (108, 2050022), (111, 1994616), (117, 1892328), (148, 1495962), (156, 1419246), (216, 1025011), (222, 997308), (234, 946164), (296, 747981), (312, 709623), (333, 664872), (351, 630776), (444, 498654), (468, 473082), (481, 460296), (666, 332436), (702, 315388), (888, 249327), (936, 236541), (962, 230148), (999, 221624), (1332, 166218), (1404, 157694), (1443, 153432), (1924, 115074), (1998, 110812), (2131, 103896), (2664, 83109), (2808, 78847), (2886, 76716), (3848, 57537), (3996, 55406), (4262, 51948), (4329, 51144), (5772, 38358), (6393, 34632), (7992, 27703), (8524, 25974), (8658, 25572), (11544, 19179), (12786, 17316), (12987, 17048)]