221505192

素因数分解:

$2^3\times 3^6\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2042

約数の個数: 112

約数和(自身を含む): 655800000

約数和(自身を除く): 434294808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 243, 324, 342, 456, 486, 513, 648, 684, 729, 972, 1026, 1368, 1458, 1539, 1944, 1999, 2052, 2916, 3078, 3998, 4104, 4617, 5832, 5997, 6156, 7996, 9234, 11994, 12312, 13851, 15992, 17991, 18468, 23988, 27702, 35982, 36936, 37981, 47976, 53973, 55404, 71964, 75962, 107946, 110808, 113943, 143928, 151924, 161919, 215892, 227886, 303848, 323838, 341829, 431784, 455772, 485757, 647676, 683658, 911544, 971514, 1025487, 1295352, 1367316, 1457271, 1943028, 2050974, 2734632, 2914542, 3076461, 3886056, 4101948, 5829084, 6152922, 8203896, 9229383, 11658168, 12305844, 18458766, 24611688, 27688149, 36917532, 55376298, 73835064, 110752596, 221505192]

約数ペア:

[(1, 221505192), (2, 110752596), (3, 73835064), (4, 55376298), (6, 36917532), (8, 27688149), (9, 24611688), (12, 18458766), (18, 12305844), (19, 11658168), (24, 9229383), (27, 8203896), (36, 6152922), (38, 5829084), (54, 4101948), (57, 3886056), (72, 3076461), (76, 2914542), (81, 2734632), (108, 2050974), (114, 1943028), (152, 1457271), (162, 1367316), (171, 1295352), (216, 1025487), (228, 971514), (243, 911544), (324, 683658), (342, 647676), (456, 485757), (486, 455772), (513, 431784), (648, 341829), (684, 323838), (729, 303848), (972, 227886), (1026, 215892), (1368, 161919), (1458, 151924), (1539, 143928), (1944, 113943), (1999, 110808), (2052, 107946), (2916, 75962), (3078, 71964), (3998, 55404), (4104, 53973), (4617, 47976), (5832, 37981), (5997, 36936), (6156, 35982), (7996, 27702), (9234, 23988), (11994, 18468), (12312, 17991), (13851, 15992)]