221673648

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{307}}^2$

素因数の和:639

約数の個数: 90

約数和(自身を含む): 668328876

約数和(自身を除く): 446655228

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 307, 336, 392, 588, 614, 784, 921, 1176, 1228, 1842, 2149, 2352, 2456, 3684, 4298, 4912, 6447, 7368, 8596, 12894, 14736, 15043, 17192, 25788, 30086, 34384, 45129, 51576, 60172, 90258, 94249, 103152, 120344, 180516, 188498, 240688, 282747, 361032, 376996, 565494, 659743, 722064, 753992, 1130988, 1319486, 1507984, 1979229, 2261976, 2638972, 3958458, 4523952, 4618201, 5277944, 7916916, 9236402, 10555888, 13854603, 15833832, 18472804, 27709206, 31667664, 36945608, 55418412, 73891216, 110836824, 221673648]

約数ペア:

[(1, 221673648), (2, 110836824), (3, 73891216), (4, 55418412), (6, 36945608), (7, 31667664), (8, 27709206), (12, 18472804), (14, 15833832), (16, 13854603), (21, 10555888), (24, 9236402), (28, 7916916), (42, 5277944), (48, 4618201), (49, 4523952), (56, 3958458), (84, 2638972), (98, 2261976), (112, 1979229), (147, 1507984), (168, 1319486), (196, 1130988), (294, 753992), (307, 722064), (336, 659743), (392, 565494), (588, 376996), (614, 361032), (784, 282747), (921, 240688), (1176, 188498), (1228, 180516), (1842, 120344), (2149, 103152), (2352, 94249), (2456, 90258), (3684, 60172), (4298, 51576), (4912, 45129), (6447, 34384), (7368, 30086), (8596, 25788), (12894, 17192), (14736, 15043)]