261321804

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1135

約数の個数: 72

約数和(自身を含む): 677401088

約数和(自身を除く): 416079284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 127, 183, 244, 254, 366, 381, 508, 549, 732, 762, 937, 1098, 1143, 1524, 1874, 2196, 2286, 2811, 3748, 4572, 5622, 7747, 8433, 11244, 15494, 16866, 23241, 30988, 33732, 46482, 57157, 69723, 92964, 114314, 118999, 139446, 171471, 228628, 237998, 278892, 342942, 356997, 475996, 514413, 685884, 713994, 1028826, 1070991, 1427988, 2057652, 2141982, 4283964, 7258939, 14517878, 21776817, 29035756, 43553634, 65330451, 87107268, 130660902, 261321804]

約数ペア:

[(1, 261321804), (2, 130660902), (3, 87107268), (4, 65330451), (6, 43553634), (9, 29035756), (12, 21776817), (18, 14517878), (36, 7258939), (61, 4283964), (122, 2141982), (127, 2057652), (183, 1427988), (244, 1070991), (254, 1028826), (366, 713994), (381, 685884), (508, 514413), (549, 475996), (732, 356997), (762, 342942), (937, 278892), (1098, 237998), (1143, 228628), (1524, 171471), (1874, 139446), (2196, 118999), (2286, 114314), (2811, 92964), (3748, 69723), (4572, 57157), (5622, 46482), (7747, 33732), (8433, 30988), (11244, 23241), (15494, 16866)]