28804698

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{557}}^1$

素因数の和:608

約数の個数: 72

約数和(自身を含む): 71684028

約数和(自身を除く): 42879330

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 169, 221, 234, 306, 338, 442, 507, 557, 663, 1014, 1114, 1326, 1521, 1671, 1989, 2873, 3042, 3342, 3978, 5013, 5746, 7241, 8619, 9469, 10026, 14482, 17238, 18938, 21723, 25857, 28407, 43446, 51714, 56814, 65169, 85221, 94133, 123097, 130338, 170442, 188266, 246194, 282399, 369291, 564798, 738582, 847197, 1107873, 1600261, 1694394, 2215746, 3200522, 4800783, 9601566, 14402349, 28804698]

約数ペア:

[(1, 28804698), (2, 14402349), (3, 9601566), (6, 4800783), (9, 3200522), (13, 2215746), (17, 1694394), (18, 1600261), (26, 1107873), (34, 847197), (39, 738582), (51, 564798), (78, 369291), (102, 282399), (117, 246194), (153, 188266), (169, 170442), (221, 130338), (234, 123097), (306, 94133), (338, 85221), (442, 65169), (507, 56814), (557, 51714), (663, 43446), (1014, 28407), (1114, 25857), (1326, 21723), (1521, 18938), (1671, 17238), (1989, 14482), (2873, 10026), (3042, 9469), (3342, 8619), (3978, 7241), (5013, 5746)]