221207904

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{20759}}^1$

素因数の和:20812

約数の個数: 72

約数和(自身を含む): 646092720

約数和(自身を除く): 424884816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 2664, 3552, 5328, 10656, 20759, 41518, 62277, 83036, 124554, 166072, 186831, 249108, 332144, 373662, 498216, 664288, 747324, 768083, 996432, 1494648, 1536166, 1992864, 2304249, 2989296, 3072332, 4608498, 5978592, 6144664, 6912747, 9216996, 12289328, 13825494, 18433992, 24578656, 27650988, 36867984, 55301976, 73735968, 110603952, 221207904]

約数ペア:

[(1, 221207904), (2, 110603952), (3, 73735968), (4, 55301976), (6, 36867984), (8, 27650988), (9, 24578656), (12, 18433992), (16, 13825494), (18, 12289328), (24, 9216996), (32, 6912747), (36, 6144664), (37, 5978592), (48, 4608498), (72, 3072332), (74, 2989296), (96, 2304249), (111, 1992864), (144, 1536166), (148, 1494648), (222, 996432), (288, 768083), (296, 747324), (333, 664288), (444, 498216), (592, 373662), (666, 332144), (888, 249108), (1184, 186831), (1332, 166072), (1776, 124554), (2664, 83036), (3552, 62277), (5328, 41518), (10656, 20759)]