247131690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20441}}^1$

素因数の和:20495

約数の個数: 64

約数和(自身を含む): 659377152

約数和(自身を除く): 412245462

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 20441, 40882, 61323, 102205, 122646, 204410, 265733, 306615, 531466, 613230, 633671, 797199, 1267342, 1328665, 1594398, 1901013, 2657330, 3168355, 3802026, 3985995, 6336710, 7971990, 8237723, 9505065, 16475446, 19010130, 24713169, 41188615, 49426338, 82377230, 123565845, 247131690]

約数ペア:

[(1, 247131690), (2, 123565845), (3, 82377230), (5, 49426338), (6, 41188615), (10, 24713169), (13, 19010130), (15, 16475446), (26, 9505065), (30, 8237723), (31, 7971990), (39, 6336710), (62, 3985995), (65, 3802026), (78, 3168355), (93, 2657330), (130, 1901013), (155, 1594398), (186, 1328665), (195, 1267342), (310, 797199), (390, 633671), (403, 613230), (465, 531466), (806, 306615), (930, 265733), (1209, 204410), (2015, 122646), (2418, 102205), (4030, 61323), (6045, 40882), (12090, 20441)]