28647918

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 70578816

約数和(自身を除く): 41930898

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 61, 78, 81, 117, 122, 162, 183, 223, 234, 351, 366, 446, 549, 669, 702, 793, 1053, 1098, 1338, 1586, 1647, 2007, 2106, 2379, 2899, 3294, 4014, 4758, 4941, 5798, 6021, 7137, 8697, 9882, 12042, 13603, 14274, 17394, 18063, 21411, 26091, 27206, 36126, 40809, 42822, 52182, 64233, 78273, 81618, 122427, 128466, 156546, 176839, 234819, 244854, 353678, 367281, 469638, 530517, 734562, 1061034, 1101843, 1591551, 2203686, 3183102, 4774653, 9549306, 14323959, 28647918]

約数ペア:

[(1, 28647918), (2, 14323959), (3, 9549306), (6, 4774653), (9, 3183102), (13, 2203686), (18, 1591551), (26, 1101843), (27, 1061034), (39, 734562), (54, 530517), (61, 469638), (78, 367281), (81, 353678), (117, 244854), (122, 234819), (162, 176839), (183, 156546), (223, 128466), (234, 122427), (351, 81618), (366, 78273), (446, 64233), (549, 52182), (669, 42822), (702, 40809), (793, 36126), (1053, 27206), (1098, 26091), (1338, 21411), (1586, 18063), (1647, 17394), (2007, 14274), (2106, 13603), (2379, 12042), (2899, 9882), (3294, 8697), (4014, 7137), (4758, 6021), (4941, 5798)]