28303668

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 76297312

約数和(自身を除く): 47993644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 666, 787, 972, 999, 1332, 1574, 1998, 2361, 2997, 3148, 3996, 4722, 5994, 7083, 8991, 9444, 11988, 14166, 17982, 21249, 28332, 29119, 35964, 42498, 58238, 63747, 84996, 87357, 116476, 127494, 174714, 191241, 254988, 262071, 349428, 382482, 524142, 764964, 786213, 1048284, 1572426, 2358639, 3144852, 4717278, 7075917, 9434556, 14151834, 28303668]

約数ペア:

[(1, 28303668), (2, 14151834), (3, 9434556), (4, 7075917), (6, 4717278), (9, 3144852), (12, 2358639), (18, 1572426), (27, 1048284), (36, 786213), (37, 764964), (54, 524142), (74, 382482), (81, 349428), (108, 262071), (111, 254988), (148, 191241), (162, 174714), (222, 127494), (243, 116476), (324, 87357), (333, 84996), (444, 63747), (486, 58238), (666, 42498), (787, 35964), (972, 29119), (999, 28332), (1332, 21249), (1574, 17982), (1998, 14166), (2361, 11988), (2997, 9444), (3148, 8991), (3996, 7083), (4722, 5994)]