28170972

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 76108032

約数和(自身を除く): 47937060

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 191, 204, 241, 306, 382, 482, 573, 612, 723, 764, 964, 1146, 1446, 1719, 2169, 2292, 2892, 3247, 3438, 4097, 4338, 6494, 6876, 8194, 8676, 9741, 12291, 12988, 16388, 19482, 24582, 29223, 36873, 38964, 46031, 49164, 58446, 73746, 92062, 116892, 138093, 147492, 184124, 276186, 414279, 552372, 782527, 828558, 1565054, 1657116, 2347581, 3130108, 4695162, 7042743, 9390324, 14085486, 28170972]

約数ペア:

[(1, 28170972), (2, 14085486), (3, 9390324), (4, 7042743), (6, 4695162), (9, 3130108), (12, 2347581), (17, 1657116), (18, 1565054), (34, 828558), (36, 782527), (51, 552372), (68, 414279), (102, 276186), (153, 184124), (191, 147492), (204, 138093), (241, 116892), (306, 92062), (382, 73746), (482, 58446), (573, 49164), (612, 46031), (723, 38964), (764, 36873), (964, 29223), (1146, 24582), (1446, 19482), (1719, 16388), (2169, 12988), (2292, 12291), (2892, 9741), (3247, 8676), (3438, 8194), (4097, 6876), (4338, 6494)]