28394028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{359}}^1$

素因数の和:408

約数の個数: 72

約数和(自身を含む): 77968800

約数和(自身を除く): 49574772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 359, 468, 507, 676, 718, 1014, 1077, 1436, 1521, 2028, 2154, 2197, 3042, 3231, 4308, 4394, 4667, 6084, 6462, 6591, 8788, 9334, 12924, 13182, 14001, 18668, 19773, 26364, 28002, 39546, 42003, 56004, 60671, 79092, 84006, 121342, 168012, 182013, 242684, 364026, 546039, 728052, 788723, 1092078, 1577446, 2184156, 2366169, 3154892, 4732338, 7098507, 9464676, 14197014, 28394028]

約数ペア:

[(1, 28394028), (2, 14197014), (3, 9464676), (4, 7098507), (6, 4732338), (9, 3154892), (12, 2366169), (13, 2184156), (18, 1577446), (26, 1092078), (36, 788723), (39, 728052), (52, 546039), (78, 364026), (117, 242684), (156, 182013), (169, 168012), (234, 121342), (338, 84006), (359, 79092), (468, 60671), (507, 56004), (676, 42003), (718, 39546), (1014, 28002), (1077, 26364), (1436, 19773), (1521, 18668), (2028, 14001), (2154, 13182), (2197, 12924), (3042, 9334), (3231, 8788), (4308, 6591), (4394, 6462), (4667, 6084)]