66217879

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 84439040

約数和(自身を除く): 18221161

約数列:

[1, 7, 13, 61, 79, 91, 151, 427, 553, 793, 1027, 1057, 1963, 4819, 5551, 7189, 9211, 11929, 13741, 33733, 62647, 64477, 83503, 119743, 155077, 438529, 727669, 838201, 1085539, 5093683, 9459697, 66217879]

約数ペア:

[(1, 66217879), (7, 9459697), (13, 5093683), (61, 1085539), (79, 838201), (91, 727669), (151, 438529), (427, 155077), (553, 119743), (793, 83503), (1027, 64477), (1057, 62647), (1963, 33733), (4819, 13741), (5551, 11929), (7189, 9211)]