28728072

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 82018560

約数和(自身を除く): 53290488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 61, 62, 72, 93, 122, 124, 183, 186, 211, 244, 248, 279, 366, 372, 422, 488, 549, 558, 633, 732, 744, 844, 1098, 1116, 1266, 1464, 1688, 1891, 1899, 2196, 2232, 2532, 3782, 3798, 4392, 5064, 5673, 6541, 7564, 7596, 11346, 12871, 13082, 15128, 15192, 17019, 19623, 22692, 25742, 26164, 34038, 38613, 39246, 45384, 51484, 52328, 58869, 68076, 77226, 78492, 102968, 115839, 117738, 136152, 154452, 156984, 231678, 235476, 308904, 399001, 463356, 470952, 798002, 926712, 1197003, 1596004, 2394006, 3192008, 3591009, 4788012, 7182018, 9576024, 14364036, 28728072]

約数ペア:

[(1, 28728072), (2, 14364036), (3, 9576024), (4, 7182018), (6, 4788012), (8, 3591009), (9, 3192008), (12, 2394006), (18, 1596004), (24, 1197003), (31, 926712), (36, 798002), (61, 470952), (62, 463356), (72, 399001), (93, 308904), (122, 235476), (124, 231678), (183, 156984), (186, 154452), (211, 136152), (244, 117738), (248, 115839), (279, 102968), (366, 78492), (372, 77226), (422, 68076), (488, 58869), (549, 52328), (558, 51484), (633, 45384), (732, 39246), (744, 38613), (844, 34038), (1098, 26164), (1116, 25742), (1266, 22692), (1464, 19623), (1688, 17019), (1891, 15192), (1899, 15128), (2196, 13082), (2232, 12871), (2532, 11346), (3782, 7596), (3798, 7564), (4392, 6541), (5064, 5673)]