28787330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 62487936

約数和(自身を除く): 33700606

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 41, 55, 65, 82, 110, 130, 143, 205, 286, 410, 451, 491, 533, 715, 902, 982, 1066, 1430, 2255, 2455, 2665, 4510, 4910, 5330, 5401, 5863, 6383, 10802, 11726, 12766, 20131, 27005, 29315, 31915, 40262, 54010, 58630, 63830, 70213, 100655, 140426, 201310, 221441, 261703, 351065, 442882, 523406, 702130, 1107205, 1308515, 2214410, 2617030, 2878733, 5757466, 14393665, 28787330]

約数ペア:

[(1, 28787330), (2, 14393665), (5, 5757466), (10, 2878733), (11, 2617030), (13, 2214410), (22, 1308515), (26, 1107205), (41, 702130), (55, 523406), (65, 442882), (82, 351065), (110, 261703), (130, 221441), (143, 201310), (205, 140426), (286, 100655), (410, 70213), (451, 63830), (491, 58630), (533, 54010), (715, 40262), (902, 31915), (982, 29315), (1066, 27005), (1430, 20131), (2255, 12766), (2455, 11726), (2665, 10802), (4510, 6383), (4910, 5863), (5330, 5401)]