221335776

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{20771}}^1$

素因数の和:20824

約数の個数: 72

約数和(自身を含む): 646466184

約数和(自身を除く): 425130408

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, 20771, 41542, 62313, 83084, 124626, 166168, 186939, 249252, 332336, 373878, 498504, 664672, 747756, 768527, 997008, 1495512, 1537054, 1994016, 2305581, 2991024, 3074108, 4611162, 5982048, 6148216, 6916743, 9222324, 12296432, 13833486, 18444648, 24592864, 27666972, 36889296, 55333944, 73778592, 110667888, 221335776]

約数ペア:

[(1, 221335776), (2, 110667888), (3, 73778592), (4, 55333944), (6, 36889296), (8, 27666972), (9, 24592864), (12, 18444648), (16, 13833486), (18, 12296432), (24, 9222324), (32, 6916743), (36, 6148216), (37, 5982048), (48, 4611162), (72, 3074108), (74, 2991024), (96, 2305581), (111, 1994016), (144, 1537054), (148, 1495512), (222, 997008), (288, 768527), (296, 747756), (333, 664672), (444, 498504), (592, 373878), (666, 332336), (888, 249252), (1184, 186939), (1332, 166168), (1776, 124626), (2664, 83084), (3552, 62313), (5328, 41542), (10656, 20771)]