203460985

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 308883456

約数和(自身を除く): 105422471

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 127, 245, 455, 503, 635, 637, 889, 1651, 2515, 3185, 3521, 4445, 6223, 6539, 8255, 11557, 17605, 24647, 31115, 32695, 45773, 57785, 63881, 80899, 123235, 228865, 319405, 320411, 404495, 447167, 830453, 1602055, 2235835, 3130169, 4152265, 5813171, 15650845, 29065855, 40692197, 203460985]

約数ペア:

[(1, 203460985), (5, 40692197), (7, 29065855), (13, 15650845), (35, 5813171), (49, 4152265), (65, 3130169), (91, 2235835), (127, 1602055), (245, 830453), (455, 447167), (503, 404495), (635, 320411), (637, 319405), (889, 228865), (1651, 123235), (2515, 80899), (3185, 63881), (3521, 57785), (4445, 45773), (6223, 32695), (6539, 31115), (8255, 24647), (11557, 17605)]