253275828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:765

約数の個数: 96

約数和(自身を含む): 665935872

約数和(自身を除く): 412660044

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 83, 93, 124, 156, 166, 186, 249, 332, 372, 403, 498, 631, 806, 996, 1079, 1209, 1262, 1612, 1893, 2158, 2418, 2524, 2573, 3237, 3786, 4316, 4836, 5146, 6474, 7572, 7719, 8203, 10292, 12948, 15438, 16406, 19561, 24609, 30876, 32812, 33449, 39122, 49218, 52373, 58683, 66898, 78244, 98436, 100347, 104746, 117366, 133796, 157119, 200694, 209492, 234732, 254293, 314238, 401388, 508586, 628476, 680849, 762879, 1017172, 1361698, 1525758, 1623563, 2042547, 2723396, 3051516, 3247126, 4085094, 4870689, 6494252, 8170188, 9741378, 19482756, 21106319, 42212638, 63318957, 84425276, 126637914, 253275828]

約数ペア:

[(1, 253275828), (2, 126637914), (3, 84425276), (4, 63318957), (6, 42212638), (12, 21106319), (13, 19482756), (26, 9741378), (31, 8170188), (39, 6494252), (52, 4870689), (62, 4085094), (78, 3247126), (83, 3051516), (93, 2723396), (124, 2042547), (156, 1623563), (166, 1525758), (186, 1361698), (249, 1017172), (332, 762879), (372, 680849), (403, 628476), (498, 508586), (631, 401388), (806, 314238), (996, 254293), (1079, 234732), (1209, 209492), (1262, 200694), (1612, 157119), (1893, 133796), (2158, 117366), (2418, 104746), (2524, 100347), (2573, 98436), (3237, 78244), (3786, 66898), (4316, 58683), (4836, 52373), (5146, 49218), (6474, 39122), (7572, 33449), (7719, 32812), (8203, 30876), (10292, 24609), (12948, 19561), (15438, 16406)]