221672772

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:546

約数の個数: 108

約数和(自身を含む): 608684076

約数和(自身を除く): 387011304

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 361, 444, 461, 666, 684, 703, 722, 922, 1083, 1332, 1383, 1406, 1444, 1844, 2109, 2166, 2766, 2812, 3249, 4149, 4218, 4332, 5532, 6327, 6498, 8298, 8436, 8759, 12654, 12996, 13357, 16596, 17057, 17518, 25308, 26277, 26714, 34114, 35036, 40071, 51171, 52554, 53428, 68228, 78831, 80142, 102342, 105108, 120213, 153513, 157662, 160284, 166421, 204684, 240426, 307026, 315324, 324083, 332842, 480852, 499263, 614052, 648166, 665684, 972249, 998526, 1296332, 1497789, 1944498, 1997052, 2916747, 2995578, 3888996, 5833494, 5991156, 6157577, 11666988, 12315154, 18472731, 24630308, 36945462, 55418193, 73890924, 110836386, 221672772]

約数ペア:

[(1, 221672772), (2, 110836386), (3, 73890924), (4, 55418193), (6, 36945462), (9, 24630308), (12, 18472731), (18, 12315154), (19, 11666988), (36, 6157577), (37, 5991156), (38, 5833494), (57, 3888996), (74, 2995578), (76, 2916747), (111, 1997052), (114, 1944498), (148, 1497789), (171, 1296332), (222, 998526), (228, 972249), (333, 665684), (342, 648166), (361, 614052), (444, 499263), (461, 480852), (666, 332842), (684, 324083), (703, 315324), (722, 307026), (922, 240426), (1083, 204684), (1332, 166421), (1383, 160284), (1406, 157662), (1444, 153513), (1844, 120213), (2109, 105108), (2166, 102342), (2766, 80142), (2812, 78831), (3249, 68228), (4149, 53428), (4218, 52554), (4332, 51171), (5532, 40071), (6327, 35036), (6498, 34114), (8298, 26714), (8436, 26277), (8759, 25308), (12654, 17518), (12996, 17057), (13357, 16596)]