221512488

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 601126560

約数和(自身を除く): 379614072

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 361, 444, 456, 691, 703, 722, 888, 1083, 1382, 1406, 1444, 2073, 2109, 2166, 2764, 2812, 2888, 4146, 4218, 4332, 5528, 5624, 8292, 8436, 8664, 13129, 13357, 16584, 16872, 25567, 26258, 26714, 39387, 40071, 51134, 52516, 53428, 76701, 78774, 80142, 102268, 105032, 106856, 153402, 157548, 160284, 204536, 249451, 306804, 315096, 320568, 485773, 498902, 613608, 748353, 971546, 997804, 1457319, 1496706, 1943092, 1995608, 2914638, 2993412, 3886184, 5829276, 5986824, 9229687, 11658552, 18459374, 27689061, 36918748, 55378122, 73837496, 110756244, 221512488]

約数ペア:

[(1, 221512488), (2, 110756244), (3, 73837496), (4, 55378122), (6, 36918748), (8, 27689061), (12, 18459374), (19, 11658552), (24, 9229687), (37, 5986824), (38, 5829276), (57, 3886184), (74, 2993412), (76, 2914638), (111, 1995608), (114, 1943092), (148, 1496706), (152, 1457319), (222, 997804), (228, 971546), (296, 748353), (361, 613608), (444, 498902), (456, 485773), (691, 320568), (703, 315096), (722, 306804), (888, 249451), (1083, 204536), (1382, 160284), (1406, 157548), (1444, 153402), (2073, 106856), (2109, 105032), (2166, 102268), (2764, 80142), (2812, 78774), (2888, 76701), (4146, 53428), (4218, 52516), (4332, 51134), (5528, 40071), (5624, 39387), (8292, 26714), (8436, 26258), (8664, 25567), (13129, 16872), (13357, 16584)]