221206788

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 144

約数和(自身を含む): 670348224

約数和(自身を除く): 449141436

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 27, 33, 34, 36, 44, 51, 54, 66, 68, 81, 99, 102, 108, 132, 153, 162, 187, 198, 204, 243, 297, 306, 324, 374, 396, 459, 486, 561, 594, 612, 748, 891, 918, 972, 1122, 1188, 1217, 1377, 1683, 1782, 1836, 2244, 2434, 2673, 2754, 3366, 3564, 3651, 4131, 4868, 5049, 5346, 5508, 6732, 7302, 8262, 10098, 10692, 10953, 13387, 14604, 15147, 16524, 20196, 20689, 21906, 26774, 30294, 32859, 40161, 41378, 43812, 45441, 53548, 60588, 62067, 65718, 80322, 82756, 90882, 98577, 120483, 124134, 131436, 160644, 181764, 186201, 197154, 227579, 240966, 248268, 295731, 361449, 372402, 394308, 455158, 481932, 558603, 591462, 682737, 722898, 744804, 910316, 1084347, 1117206, 1182924, 1365474, 1445796, 1675809, 2048211, 2168694, 2234412, 2730948, 3253041, 3351618, 4096422, 4337388, 5027427, 6144633, 6506082, 6703236, 8192844, 10054854, 12289266, 13012164, 18433899, 20109708, 24578532, 36867798, 55301697, 73735596, 110603394, 221206788]

約数ペア:

[(1, 221206788), (2, 110603394), (3, 73735596), (4, 55301697), (6, 36867798), (9, 24578532), (11, 20109708), (12, 18433899), (17, 13012164), (18, 12289266), (22, 10054854), (27, 8192844), (33, 6703236), (34, 6506082), (36, 6144633), (44, 5027427), (51, 4337388), (54, 4096422), (66, 3351618), (68, 3253041), (81, 2730948), (99, 2234412), (102, 2168694), (108, 2048211), (132, 1675809), (153, 1445796), (162, 1365474), (187, 1182924), (198, 1117206), (204, 1084347), (243, 910316), (297, 744804), (306, 722898), (324, 682737), (374, 591462), (396, 558603), (459, 481932), (486, 455158), (561, 394308), (594, 372402), (612, 361449), (748, 295731), (891, 248268), (918, 240966), (972, 227579), (1122, 197154), (1188, 186201), (1217, 181764), (1377, 160644), (1683, 131436), (1782, 124134), (1836, 120483), (2244, 98577), (2434, 90882), (2673, 82756), (2754, 80322), (3366, 65718), (3564, 62067), (3651, 60588), (4131, 53548), (4868, 45441), (5049, 43812), (5346, 41378), (5508, 40161), (6732, 32859), (7302, 30294), (8262, 26774), (10098, 21906), (10692, 20689), (10953, 20196), (13387, 16524), (14604, 15147)]