15640618

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 27713664

約数和(自身を除く): 12073046

約数列:

[1, 2, 7, 14, 53, 106, 107, 197, 214, 371, 394, 742, 749, 1379, 1498, 2758, 5671, 10441, 11342, 20882, 21079, 39697, 42158, 73087, 79394, 146174, 147553, 295106, 1117187, 2234374, 7820309, 15640618]

約数ペア:

[(1, 15640618), (2, 7820309), (7, 2234374), (14, 1117187), (53, 295106), (106, 147553), (107, 146174), (197, 79394), (214, 73087), (371, 42158), (394, 39697), (742, 21079), (749, 20882), (1379, 11342), (1498, 10441), (2758, 5671)]