64940216

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 135819600

約数和(自身を除く): 70879384

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 121, 146, 242, 292, 484, 584, 803, 919, 968, 1606, 1838, 3212, 3676, 6424, 7352, 8833, 10109, 17666, 20218, 35332, 40436, 67087, 70664, 80872, 111199, 134174, 222398, 268348, 444796, 536696, 737957, 889592, 1475914, 2951828, 5903656, 8117527, 16235054, 32470108, 64940216]

約数ペア:

[(1, 64940216), (2, 32470108), (4, 16235054), (8, 8117527), (11, 5903656), (22, 2951828), (44, 1475914), (73, 889592), (88, 737957), (121, 536696), (146, 444796), (242, 268348), (292, 222398), (484, 134174), (584, 111199), (803, 80872), (919, 70664), (968, 67087), (1606, 40436), (1838, 35332), (3212, 20218), (3676, 17666), (6424, 10109), (7352, 8833)]