30781636

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 59609088

約数和(自身を除く): 28827452

約数列:

[1, 2, 4, 23, 31, 43, 46, 62, 86, 92, 124, 172, 251, 502, 713, 989, 1004, 1333, 1426, 1978, 2666, 2852, 3956, 5332, 5773, 7781, 10793, 11546, 15562, 21586, 23092, 30659, 31124, 43172, 61318, 122636, 178963, 248239, 334583, 357926, 496478, 669166, 715852, 992956, 1338332, 7695409, 15390818, 30781636]

約数ペア:

[(1, 30781636), (2, 15390818), (4, 7695409), (23, 1338332), (31, 992956), (43, 715852), (46, 669166), (62, 496478), (86, 357926), (92, 334583), (124, 248239), (172, 178963), (251, 122636), (502, 61318), (713, 43172), (989, 31124), (1004, 30659), (1333, 23092), (1426, 21586), (1978, 15562), (2666, 11546), (2852, 10793), (3956, 7781), (5332, 5773)]