721000384

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{1523}}^1$

素因数の和:2117

約数の個数: 56

約数和(自身を含む): 1544513040

約数和(自身を除く): 823512656

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 569, 832, 1138, 1523, 2276, 3046, 4552, 6092, 7397, 9104, 12184, 14794, 18208, 19799, 24368, 29588, 36416, 39598, 48736, 59176, 79196, 97472, 118352, 158392, 236704, 316784, 473408, 633568, 866587, 1267136, 1733174, 3466348, 6932696, 11265631, 13865392, 22531262, 27730784, 45062524, 55461568, 90125048, 180250096, 360500192, 721000384]

約数ペア:

[(1, 721000384), (2, 360500192), (4, 180250096), (8, 90125048), (13, 55461568), (16, 45062524), (26, 27730784), (32, 22531262), (52, 13865392), (64, 11265631), (104, 6932696), (208, 3466348), (416, 1733174), (569, 1267136), (832, 866587), (1138, 633568), (1523, 473408), (2276, 316784), (3046, 236704), (4552, 158392), (6092, 118352), (7397, 97472), (9104, 79196), (12184, 59176), (14794, 48736), (18208, 39598), (19799, 36416), (24368, 29588)]