2778808552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1\times {\mathrm{907}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 5697518400

約数和(自身を除く): 2918709848

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 331, 356, 662, 712, 907, 1157, 1324, 1814, 2314, 2648, 3628, 4303, 4628, 7256, 8606, 9256, 11791, 17212, 23582, 29459, 34424, 47164, 58918, 80723, 94328, 117836, 161446, 235672, 300217, 322892, 382967, 600434, 645784, 765934, 1049399, 1200868, 1531868, 2098798, 2401736, 3063736, 3902821, 4197596, 7805642, 8395192, 15611284, 26719313, 31222568, 53438626, 106877252, 213754504, 347351069, 694702138, 1389404276, 2778808552]

約数ペア:

[(1, 2778808552), (2, 1389404276), (4, 694702138), (8, 347351069), (13, 213754504), (26, 106877252), (52, 53438626), (89, 31222568), (104, 26719313), (178, 15611284), (331, 8395192), (356, 7805642), (662, 4197596), (712, 3902821), (907, 3063736), (1157, 2401736), (1324, 2098798), (1814, 1531868), (2314, 1200868), (2648, 1049399), (3628, 765934), (4303, 645784), (4628, 600434), (7256, 382967), (8606, 322892), (9256, 300217), (11791, 235672), (17212, 161446), (23582, 117836), (29459, 94328), (34424, 80723), (47164, 58918)]