28783810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 61046784

約数和(自身を除く): 32262974

約数列:

[1, 2, 5, 10, 11, 22, 23, 31, 46, 55, 62, 110, 115, 155, 230, 253, 310, 341, 367, 506, 682, 713, 734, 1265, 1426, 1705, 1835, 2530, 3410, 3565, 3670, 4037, 7130, 7843, 8074, 8441, 11377, 15686, 16882, 20185, 22754, 39215, 40370, 42205, 56885, 78430, 84410, 92851, 113770, 125147, 185702, 250294, 261671, 464255, 523342, 625735, 928510, 1251470, 1308355, 2616710, 2878381, 5756762, 14391905, 28783810]

約数ペア:

[(1, 28783810), (2, 14391905), (5, 5756762), (10, 2878381), (11, 2616710), (22, 1308355), (23, 1251470), (31, 928510), (46, 625735), (55, 523342), (62, 464255), (110, 261671), (115, 250294), (155, 185702), (230, 125147), (253, 113770), (310, 92851), (341, 84410), (367, 78430), (506, 56885), (682, 42205), (713, 40370), (734, 39215), (1265, 22754), (1426, 20185), (1705, 16882), (1835, 15686), (2530, 11377), (3410, 8441), (3565, 8074), (3670, 7843), (4037, 7130)]