78903916

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 174953520

約数和(自身を除く): 96049604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 173, 179, 182, 196, 346, 358, 364, 637, 692, 716, 1211, 1253, 1274, 2249, 2327, 2422, 2506, 2548, 4498, 4654, 4844, 5012, 8477, 8771, 8996, 9308, 15743, 16289, 16954, 17542, 30967, 31486, 32578, 33908, 35084, 61934, 62972, 65156, 110201, 114023, 123868, 216769, 220402, 228046, 402571, 433538, 440804, 456092, 805142, 867076, 1517383, 1610284, 2817997, 3034766, 5635994, 6069532, 11271988, 19725979, 39451958, 78903916]

約数ペア:

[(1, 78903916), (2, 39451958), (4, 19725979), (7, 11271988), (13, 6069532), (14, 5635994), (26, 3034766), (28, 2817997), (49, 1610284), (52, 1517383), (91, 867076), (98, 805142), (173, 456092), (179, 440804), (182, 433538), (196, 402571), (346, 228046), (358, 220402), (364, 216769), (637, 123868), (692, 114023), (716, 110201), (1211, 65156), (1253, 62972), (1274, 61934), (2249, 35084), (2327, 33908), (2422, 32578), (2506, 31486), (2548, 30967), (4498, 17542), (4654, 16954), (4844, 16289), (5012, 15743), (8477, 9308), (8771, 8996)]