28291808

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 59575824

約数和(自身を除く): 31284016

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 131, 136, 262, 272, 397, 524, 544, 794, 1048, 1588, 2096, 2227, 3176, 4192, 4454, 6352, 6749, 8908, 12704, 13498, 17816, 26996, 35632, 52007, 53992, 71264, 104014, 107984, 208028, 215968, 416056, 832112, 884119, 1664224, 1768238, 3536476, 7072952, 14145904, 28291808]

約数ペア:

[(1, 28291808), (2, 14145904), (4, 7072952), (8, 3536476), (16, 1768238), (17, 1664224), (32, 884119), (34, 832112), (68, 416056), (131, 215968), (136, 208028), (262, 107984), (272, 104014), (397, 71264), (524, 53992), (544, 52007), (794, 35632), (1048, 26996), (1588, 17816), (2096, 13498), (2227, 12704), (3176, 8908), (4192, 6749), (4454, 6352)]