27972230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 61157376

約数和(自身を除く): 33185146

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 631, 682, 715, 806, 1262, 1430, 1705, 2015, 3155, 3410, 4030, 4433, 6310, 6941, 8203, 8866, 13882, 16406, 19561, 22165, 34705, 39122, 41015, 44330, 69410, 82030, 90233, 97805, 180466, 195610, 215171, 254293, 430342, 451165, 508586, 902330, 1075855, 1271465, 2151710, 2542930, 2797223, 5594446, 13986115, 27972230]

約数ペア:

[(1, 27972230), (2, 13986115), (5, 5594446), (10, 2797223), (11, 2542930), (13, 2151710), (22, 1271465), (26, 1075855), (31, 902330), (55, 508586), (62, 451165), (65, 430342), (110, 254293), (130, 215171), (143, 195610), (155, 180466), (286, 97805), (310, 90233), (341, 82030), (403, 69410), (631, 44330), (682, 41015), (715, 39122), (806, 34705), (1262, 22165), (1430, 19561), (1705, 16406), (2015, 13882), (3155, 8866), (3410, 8203), (4030, 6941), (4433, 6310)]