28102212

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 73661952

約数和(自身を除く): 45559740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 67, 122, 134, 183, 191, 201, 244, 268, 366, 382, 402, 549, 573, 603, 732, 764, 804, 1098, 1146, 1206, 1719, 2196, 2292, 2412, 3438, 4087, 6876, 8174, 11651, 12261, 12797, 16348, 23302, 24522, 25594, 34953, 36783, 38391, 46604, 49044, 51188, 69906, 73566, 76782, 104859, 115173, 139812, 147132, 153564, 209718, 230346, 419436, 460692, 780617, 1561234, 2341851, 3122468, 4683702, 7025553, 9367404, 14051106, 28102212]

約数ペア:

[(1, 28102212), (2, 14051106), (3, 9367404), (4, 7025553), (6, 4683702), (9, 3122468), (12, 2341851), (18, 1561234), (36, 780617), (61, 460692), (67, 419436), (122, 230346), (134, 209718), (183, 153564), (191, 147132), (201, 139812), (244, 115173), (268, 104859), (366, 76782), (382, 73566), (402, 69906), (549, 51188), (573, 49044), (603, 46604), (732, 38391), (764, 36783), (804, 34953), (1098, 25594), (1146, 24522), (1206, 23302), (1719, 16348), (2196, 12797), (2292, 12261), (2412, 11651), (3438, 8174), (4087, 6876)]