28986495

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 50365152

約数和(自身を除く): 21378657

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 101, 159, 265, 285, 303, 361, 505, 795, 1007, 1083, 1515, 1805, 1919, 3021, 5035, 5353, 5415, 5757, 9595, 15105, 16059, 19133, 26765, 28785, 36461, 57399, 80295, 95665, 101707, 109383, 182305, 286995, 305121, 508535, 546915, 1525605, 1932433, 5797299, 9662165, 28986495]

約数ペア:

[(1, 28986495), (3, 9662165), (5, 5797299), (15, 1932433), (19, 1525605), (53, 546915), (57, 508535), (95, 305121), (101, 286995), (159, 182305), (265, 109383), (285, 101707), (303, 95665), (361, 80295), (505, 57399), (795, 36461), (1007, 28785), (1083, 26765), (1515, 19133), (1805, 16059), (1919, 15105), (3021, 9595), (5035, 5757), (5353, 5415)]