668682

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:108

約数の個数: 64

約数和(自身を含む): 1785600

約数和(自身を除く): 1116918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 61, 63, 87, 122, 126, 174, 183, 189, 203, 261, 366, 378, 406, 427, 522, 549, 609, 783, 854, 1098, 1218, 1281, 1566, 1647, 1769, 1827, 2562, 3294, 3538, 3654, 3843, 5307, 5481, 7686, 10614, 10962, 11529, 12383, 15921, 23058, 24766, 31842, 37149, 47763, 74298, 95526, 111447, 222894, 334341, 668682]

約数ペア:

[(1, 668682), (2, 334341), (3, 222894), (6, 111447), (7, 95526), (9, 74298), (14, 47763), (18, 37149), (21, 31842), (27, 24766), (29, 23058), (42, 15921), (54, 12383), (58, 11529), (61, 10962), (63, 10614), (87, 7686), (122, 5481), (126, 5307), (174, 3843), (183, 3654), (189, 3538), (203, 3294), (261, 2562), (366, 1827), (378, 1769), (406, 1647), (427, 1566), (522, 1281), (549, 1218), (609, 1098), (783, 854)]