218607298

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 416731392

約数和(自身を除く): 198124094

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 131, 173, 182, 262, 346, 371, 689, 742, 917, 1211, 1378, 1703, 1834, 2249, 2422, 3406, 4498, 4823, 6943, 9169, 9646, 11921, 13886, 15743, 18338, 22663, 23842, 31486, 45326, 48601, 64183, 90259, 97202, 119197, 128366, 158641, 180518, 238394, 294619, 317282, 589238, 631813, 834379, 1201139, 1263626, 1668758, 2062333, 2402278, 4124666, 8407973, 15614807, 16815946, 31229614, 109303649, 218607298]

約数ペア:

[(1, 218607298), (2, 109303649), (7, 31229614), (13, 16815946), (14, 15614807), (26, 8407973), (53, 4124666), (91, 2402278), (106, 2062333), (131, 1668758), (173, 1263626), (182, 1201139), (262, 834379), (346, 631813), (371, 589238), (689, 317282), (742, 294619), (917, 238394), (1211, 180518), (1378, 158641), (1703, 128366), (1834, 119197), (2249, 97202), (2422, 90259), (3406, 64183), (4498, 48601), (4823, 45326), (6943, 31486), (9169, 23842), (9646, 22663), (11921, 18338), (13886, 15743)]