66868854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 153861120

約数和(自身を除く): 86992266

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 211, 221, 239, 422, 442, 478, 633, 663, 717, 1266, 1326, 1434, 2743, 3107, 3587, 4063, 5486, 6214, 7174, 8126, 8229, 9321, 10761, 12189, 16458, 18642, 21522, 24378, 46631, 50429, 52819, 93262, 100858, 105638, 139893, 151287, 158457, 279786, 302574, 316914, 655577, 857293, 1311154, 1714586, 1966731, 2571879, 3933462, 5143758, 11144809, 22289618, 33434427, 66868854]

約数ペア:

[(1, 66868854), (2, 33434427), (3, 22289618), (6, 11144809), (13, 5143758), (17, 3933462), (26, 2571879), (34, 1966731), (39, 1714586), (51, 1311154), (78, 857293), (102, 655577), (211, 316914), (221, 302574), (239, 279786), (422, 158457), (442, 151287), (478, 139893), (633, 105638), (663, 100858), (717, 93262), (1266, 52819), (1326, 50429), (1434, 46631), (2743, 24378), (3107, 21522), (3587, 18642), (4063, 16458), (5486, 12189), (6214, 10761), (7174, 9321), (8126, 8229)]