686080798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 1215466560

約数和(自身を除く): 529385762

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 131, 221, 262, 289, 442, 533, 578, 697, 1066, 1394, 1703, 2227, 3406, 3757, 4454, 4913, 5371, 7514, 9061, 9826, 10742, 11849, 18122, 23698, 28951, 37859, 57902, 63869, 69823, 75718, 91307, 127738, 139646, 154037, 182614, 201433, 308074, 402866, 492167, 643603, 984334, 1186991, 1287206, 1552219, 2373982, 2618629, 3104438, 5237258, 8366839, 16733678, 20178847, 26387723, 40357694, 52775446, 343040399, 686080798]

約数ペア:

[(1, 686080798), (2, 343040399), (13, 52775446), (17, 40357694), (26, 26387723), (34, 20178847), (41, 16733678), (82, 8366839), (131, 5237258), (221, 3104438), (262, 2618629), (289, 2373982), (442, 1552219), (533, 1287206), (578, 1186991), (697, 984334), (1066, 643603), (1394, 492167), (1703, 402866), (2227, 308074), (3406, 201433), (3757, 182614), (4454, 154037), (4913, 139646), (5371, 127738), (7514, 91307), (9061, 75718), (9826, 69823), (10742, 63869), (11849, 57902), (18122, 37859), (23698, 28951)]