219962561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{773}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 280869120

約数和(自身を除く): 60906559

約数列:

[1, 7, 13, 53, 59, 91, 371, 413, 689, 767, 773, 3127, 4823, 5369, 5411, 10049, 21889, 40651, 40969, 45607, 70343, 284557, 286783, 319249, 532597, 592891, 2417171, 3728179, 4150237, 16920197, 31423223, 219962561]

約数ペア:

[(1, 219962561), (7, 31423223), (13, 16920197), (53, 4150237), (59, 3728179), (91, 2417171), (371, 592891), (413, 532597), (689, 319249), (767, 286783), (773, 284557), (3127, 70343), (4823, 45607), (5369, 40969), (5411, 40651), (10049, 21889)]