1640604196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{171827}}^1$

素因数の和:171880

約数の個数: 48

約数和(自身を含む): 3694989312

約数和(自身を除く): 2054385116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 124, 154, 217, 308, 341, 434, 682, 868, 1364, 2387, 4774, 9548, 171827, 343654, 687308, 1202789, 1890097, 2405578, 3780194, 4811156, 5326637, 7560388, 10653274, 13230679, 21306548, 26461358, 37286459, 52922716, 58593007, 74572918, 117186014, 149145836, 234372028, 410151049, 820302098, 1640604196]

約数ペア:

[(1, 1640604196), (2, 820302098), (4, 410151049), (7, 234372028), (11, 149145836), (14, 117186014), (22, 74572918), (28, 58593007), (31, 52922716), (44, 37286459), (62, 26461358), (77, 21306548), (124, 13230679), (154, 10653274), (217, 7560388), (308, 5326637), (341, 4811156), (434, 3780194), (682, 2405578), (868, 1890097), (1364, 1202789), (2387, 687308), (4774, 343654), (9548, 171827)]