28778788

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 26378972

約数列:

[1, 2, 4, 29, 31, 53, 58, 62, 106, 116, 124, 151, 212, 302, 604, 899, 1537, 1643, 1798, 3074, 3286, 3596, 4379, 4681, 6148, 6572, 8003, 8758, 9362, 16006, 17516, 18724, 32012, 47647, 95294, 135749, 190588, 232087, 248093, 271498, 464174, 496186, 542996, 928348, 992372, 7194697, 14389394, 28778788]

約数ペア:

[(1, 28778788), (2, 14389394), (4, 7194697), (29, 992372), (31, 928348), (53, 542996), (58, 496186), (62, 464174), (106, 271498), (116, 248093), (124, 232087), (151, 190588), (212, 135749), (302, 95294), (604, 47647), (899, 32012), (1537, 18724), (1643, 17516), (1798, 16006), (3074, 9362), (3286, 8758), (3596, 8003), (4379, 6572), (4681, 6148)]