289863618

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1039

約数の個数: 64

約数和(自身を含む): 663386112

約数和(自身を除く): 373522494

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 257, 506, 514, 743, 759, 771, 1486, 1518, 1542, 2229, 2827, 4458, 5654, 5911, 8173, 8481, 11822, 16346, 16962, 17089, 17733, 24519, 34178, 35466, 49038, 51267, 65021, 102534, 130042, 187979, 190951, 195063, 375958, 381902, 390126, 563937, 572853, 1127874, 1145706, 2100461, 4200922, 4391873, 6301383, 8783746, 12602766, 13175619, 26351238, 48310603, 96621206, 144931809, 289863618]

約数ペア:

[(1, 289863618), (2, 144931809), (3, 96621206), (6, 48310603), (11, 26351238), (22, 13175619), (23, 12602766), (33, 8783746), (46, 6301383), (66, 4391873), (69, 4200922), (138, 2100461), (253, 1145706), (257, 1127874), (506, 572853), (514, 563937), (743, 390126), (759, 381902), (771, 375958), (1486, 195063), (1518, 190951), (1542, 187979), (2229, 130042), (2827, 102534), (4458, 65021), (5654, 51267), (5911, 49038), (8173, 35466), (8481, 34178), (11822, 24519), (16346, 17733), (16962, 17089)]